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Merge branches 'acpi_pad', 'acpica', 'apei-bugzilla-43282', 'battery', 'cpuidle-coupled', 'cpuidle-tweaks', 'intel_idle-ivb', 'ost', 'red-hat-bz-772730', 'thermal', 'thermal-spear' and 'turbostat-v2' into release

This commit is contained in:
Len Brown 2012-07-26 00:03:58 -04:00
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1
.mailmap
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@ -111,6 +111,7 @@ Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de>
Uwe Kleine-König <ukl@pengutronix.de>
Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Viresh Kumar <viresh.linux@gmail.com> <viresh.kumar@st.com>
Takashi YOSHII <takashi.yoshii.zj@renesas.com>
Yusuke Goda <goda.yusuke@renesas.com>
Gustavo Padovan <gustavo@las.ic.unicamp.br>

21
Documentation/ABI/testing/sysfs-block-rssd
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@ -1,26 +1,5 @@
What: /sys/block/rssd*/registers
Date: March 2012
KernelVersion: 3.3
Contact: Asai Thambi S P <asamymuthupa@micron.com>
Description: This is a read-only file. Dumps below driver information and
hardware registers.
- S ACTive
- Command Issue
- Completed
- PORT IRQ STAT
- HOST IRQ STAT
- Allocated
- Commands in Q
What: /sys/block/rssd*/status
Date: April 2012
KernelVersion: 3.4
Contact: Asai Thambi S P <asamymuthupa@micron.com>
Description: This is a read-only file. Indicates the status of the device.
What: /sys/block/rssd*/flags
Date: May 2012
KernelVersion: 3.5
Contact: Asai Thambi S P <asamymuthupa@micron.com>
Description: This is a read-only file. Dumps the flags in port and driver
data structure

31
Documentation/ABI/testing/sysfs-bus-iio
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@ -219,6 +219,7 @@ What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_scale
What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_scale
What: /sys/bus/iio/devices/iio:deviceX/in_voltage_scale
What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_scale
What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_scale
What: /sys/bus/iio/devices/iio:deviceX/in_accel_scale
What: /sys/bus/iio/devices/iio:deviceX/in_accel_peak_scale
What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_scale
@ -273,6 +274,7 @@ What: /sys/bus/iio/devices/iio:deviceX/in_accel_scale_available
What: /sys/.../iio:deviceX/in_voltageX_scale_available
What: /sys/.../iio:deviceX/in_voltage-voltage_scale_available
What: /sys/.../iio:deviceX/out_voltageX_scale_available
What: /sys/.../iio:deviceX/out_altvoltageX_scale_available
What: /sys/.../iio:deviceX/in_capacitance_scale_available
KernelVersion: 2.635
Contact: linux-iio@vger.kernel.org
@ -298,14 +300,19 @@ Description:
gives the 3dB frequency of the filter in Hz.
What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_raw
What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_raw
KernelVersion: 2.6.37
Contact: linux-iio@vger.kernel.org
Description:
Raw (unscaled, no bias etc.) output voltage for
channel Y. The number must always be specified and
unique if the output corresponds to a single channel.
While DAC like devices typically use out_voltage,
a continuous frequency generating device, such as
a DDS or PLL should use out_altvoltage.
What: /sys/bus/iio/devices/iio:deviceX/out_voltageY&Z_raw
What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY&Z_raw
KernelVersion: 2.6.37
Contact: linux-iio@vger.kernel.org
Description:
@ -316,6 +323,8 @@ Description:
What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_powerdown_mode
What: /sys/bus/iio/devices/iio:deviceX/out_voltage_powerdown_mode
What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_powerdown_mode
What: /sys/bus/iio/devices/iio:deviceX/out_altvoltage_powerdown_mode
KernelVersion: 2.6.38
Contact: linux-iio@vger.kernel.org
Description:
@ -330,6 +339,8 @@ Description:
What: /sys/.../iio:deviceX/out_votlageY_powerdown_mode_available
What: /sys/.../iio:deviceX/out_voltage_powerdown_mode_available
What: /sys/.../iio:deviceX/out_altvotlageY_powerdown_mode_available
What: /sys/.../iio:deviceX/out_altvoltage_powerdown_mode_available
KernelVersion: 2.6.38
Contact: linux-iio@vger.kernel.org
Description:
@ -338,6 +349,8 @@ Description:
What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_powerdown
What: /sys/bus/iio/devices/iio:deviceX/out_voltage_powerdown
What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_powerdown
What: /sys/bus/iio/devices/iio:deviceX/out_altvoltage_powerdown
KernelVersion: 2.6.38
Contact: linux-iio@vger.kernel.org
Description:
@ -346,6 +359,24 @@ Description:
normal operation. Y may be suppressed if all outputs are
controlled together.
What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_frequency
KernelVersion: 3.4.0
Contact: linux-iio@vger.kernel.org
Description:
Output frequency for channel Y in Hz. The number must always be
specified and unique if the output corresponds to a single
channel.
What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_phase
KernelVersion: 3.4.0
Contact: linux-iio@vger.kernel.org
Description:
Phase in radians of one frequency/clock output Y
(out_altvoltageY) relative to another frequency/clock output
(out_altvoltageZ) of the device X. The number must always be
specified and unique if the output corresponds to a single
channel.
What: /sys/bus/iio/devices/iio:deviceX/events
KernelVersion: 2.6.35
Contact: linux-iio@vger.kernel.org

17
Documentation/ABI/testing/sysfs-class-mtd
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@ -142,13 +142,14 @@ KernelVersion: 3.4
Contact: linux-mtd@lists.infradead.org
Description:
This allows the user to examine and adjust the criteria by which
mtd returns -EUCLEAN from mtd_read(). If the maximum number of
bit errors that were corrected on any single region comprising
an ecc step (as reported by the driver) equals or exceeds this
value, -EUCLEAN is returned. Otherwise, absent an error, 0 is
returned. Higher layers (e.g., UBI) use this return code as an
indication that an erase block may be degrading and should be
scrutinized as a candidate for being marked as bad.
mtd returns -EUCLEAN from mtd_read() and mtd_read_oob(). If the
maximum number of bit errors that were corrected on any single
region comprising an ecc step (as reported by the driver) equals
or exceeds this value, -EUCLEAN is returned. Otherwise, absent
an error, 0 is returned. Higher layers (e.g., UBI) use this
return code as an indication that an erase block may be
degrading and should be scrutinized as a candidate for being
marked as bad.
The initial value may be specified by the flash device driver.
If not, then the default value is ecc_strength.
@ -167,7 +168,7 @@ Description:
block degradation, but high enough to avoid the consequences of
a persistent return value of -EUCLEAN on devices where sticky
bitflips occur. Note that if bitflip_threshold exceeds
ecc_strength, -EUCLEAN is never returned by mtd_read().
ecc_strength, -EUCLEAN is never returned by the read operations.
Conversely, if bitflip_threshold is zero, -EUCLEAN is always
returned, absent a hard error.

2
Documentation/DocBook/media/v4l/controls.xml
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@ -3988,7 +3988,7 @@ interface and may change in the future.</para>
from RGB to Y'CbCr color space.
</entry>
</row>
<row id = "v4l2-jpeg-chroma-subsampling">
<row>
<entrytbl spanname="descr" cols="2">
<tbody valign="top">
<row>

4
Documentation/DocBook/media/v4l/pixfmt.xml
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@ -986,13 +986,13 @@ http://www.thedirks.org/winnov/</ulink></para></entry>
<row id="V4L2-PIX-FMT-Y4">
<entry><constant>V4L2_PIX_FMT_Y4</constant></entry>
<entry>'Y04 '</entry>
<entry>Old 4-bit greyscale format. Only the least significant 4 bits of each byte are used,
<entry>Old 4-bit greyscale format. Only the most significant 4 bits of each byte are used,
the other bits are set to 0.</entry>
</row>
<row id="V4L2-PIX-FMT-Y6">
<entry><constant>V4L2_PIX_FMT_Y6</constant></entry>
<entry>'Y06 '</entry>
<entry>Old 6-bit greyscale format. Only the least significant 6 bits of each byte are used,
<entry>Old 6-bit greyscale format. Only the most significant 6 bits of each byte are used,
the other bits are set to 0.</entry>
</row>
</tbody>

2
Documentation/DocBook/media/v4l/v4l2.xml
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@ -560,6 +560,7 @@ and discussions on the V4L mailing list.</revremark>
&sub-g-tuner;
&sub-log-status;
&sub-overlay;
&sub-prepare-buf;
&sub-qbuf;
&sub-querybuf;
&sub-querycap;
@ -567,7 +568,6 @@ and discussions on the V4L mailing list.</revremark>
&sub-query-dv-preset;
&sub-query-dv-timings;
&sub-querystd;
&sub-prepare-buf;
&sub-reqbufs;
&sub-s-hw-freq-seek;
&sub-streamon;

5
Documentation/DocBook/media/v4l/vidioc-create-bufs.xml
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@ -108,10 +108,9 @@ information.</para>
/></entry>
</row>
<row>
<entry>__u32</entry>
<entry>struct&nbsp;v4l2_format</entry>
<entry><structfield>format</structfield></entry>
<entry>Filled in by the application, preserved by the driver.
See <xref linkend="v4l2-format" />.</entry>
<entry>Filled in by the application, preserved by the driver.</entry>
</row>
<row>
<entry>__u32</entry>

2
Documentation/DocBook/media/v4l/vidioc-dqevent.xml
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@ -89,7 +89,7 @@
<row>
<entry></entry>
<entry>&v4l2-event-frame-sync;</entry>
<entry><structfield>frame</structfield></entry>
<entry><structfield>frame_sync</structfield></entry>
<entry>Event data for event V4L2_EVENT_FRAME_SYNC.</entry>
</row>
<row>

7
Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml
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@ -284,13 +284,6 @@ These controls are described in <xref
processing controls. These controls are described in <xref
linkend="image-process-controls" />.</entry>
</row>
<row>
<entry><constant>V4L2_CTRL_CLASS_JPEG</constant></entry>
<entry>0x9d0000</entry>
<entry>The class containing JPEG compression controls.
These controls are described in <xref
linkend="jpeg-controls" />.</entry>
</row>
</tbody>
</tgroup>
</table>

2
Documentation/arm/SPEAr/overview.txt
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@ -60,4 +60,4 @@ Introduction
Document Author
---------------
Viresh Kumar <viresh.kumar@st.com>, (c) 2010-2012 ST Microelectronics
Viresh Kumar <viresh.linux@gmail.com>, (c) 2010-2012 ST Microelectronics

129
Documentation/device-mapper/verity.txt
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@ -7,39 +7,39 @@ This target is read-only.
Construction Parameters
=======================
<version> <dev> <hash_dev> <hash_start>
<version> <dev> <hash_dev>
<data_block_size> <hash_block_size>
<num_data_blocks> <hash_start_block>
<algorithm> <digest> <salt>
<version>
This is the version number of the on-disk format.
This is the type of the on-disk hash format.
0 is the original format used in the Chromium OS.
The salt is appended when hashing, digests are stored continuously and
the rest of the block is padded with zeros.
The salt is appended when hashing, digests are stored continuously and
the rest of the block is padded with zeros.
1 is the current format that should be used for new devices.
The salt is prepended when hashing and each digest is
padded with zeros to the power of two.
The salt is prepended when hashing and each digest is
padded with zeros to the power of two.
<dev>
This is the device containing the data the integrity of which needs to be
This is the device containing data, the integrity of which needs to be
checked. It may be specified as a path, like /dev/sdaX, or a device number,
<major>:<minor>.
<hash_dev>
This is the device that that supplies the hash tree data. It may be
This is the device that supplies the hash tree data. It may be
specified similarly to the device path and may be the same device. If the
same device is used, the hash_start should be outside of the dm-verity
configured device size.
same device is used, the hash_start should be outside the configured
dm-verity device.
<data_block_size>
The block size on a data device. Each block corresponds to one digest on
the hash device.
The block size on a data device in bytes.
Each block corresponds to one digest on the hash device.
<hash_block_size>
The size of a hash block.
The size of a hash block in bytes.
<num_data_blocks>
The number of data blocks on the data device. Additional blocks are
@ -65,7 +65,7 @@ Construction Parameters
Theory of operation
===================
dm-verity is meant to be setup as part of a verified boot path. This
dm-verity is meant to be set up as part of a verified boot path. This
may be anything ranging from a boot using tboot or trustedgrub to just
booting from a known-good device (like a USB drive or CD).
@ -73,20 +73,20 @@ When a dm-verity device is configured, it is expected that the caller
has been authenticated in some way (cryptographic signatures, etc).
After instantiation, all hashes will be verified on-demand during
disk access. If they cannot be verified up to the root node of the
tree, the root hash, then the I/O will fail. This should identify
tree, the root hash, then the I/O will fail. This should detect
tampering with any data on the device and the hash data.
Cryptographic hashes are used to assert the integrity of the device on a
per-block basis. This allows for a lightweight hash computation on first read
into the page cache. Block hashes are stored linearly-aligned to the nearest
block the size of a page.
per-block basis. This allows for a lightweight hash computation on first read
into the page cache. Block hashes are stored linearly, aligned to the nearest
block size.
Hash Tree
---------
Each node in the tree is a cryptographic hash. If it is a leaf node, the hash
is of some block data on disk. If it is an intermediary node, then the hash is
of a number of child nodes.
of some data block on disk is calculated. If it is an intermediary node,
the hash of a number of child nodes is calculated.
Each entry in the tree is a collection of neighboring nodes that fit in one
block. The number is determined based on block_size and the size of the
@ -110,63 +110,23 @@ alg = sha256, num_blocks = 32768, block_size = 4096
On-disk format
==============
Below is the recommended on-disk format. The verity kernel code does not
read the on-disk header. It only reads the hash blocks which directly
follow the header. It is expected that a user-space tool will verify the
integrity of the verity_header and then call dmsetup with the correct
parameters. Alternatively, the header can be omitted and the dmsetup
parameters can be passed via the kernel command-line in a rooted chain
of trust where the command-line is verified.
The verity kernel code does not read the verity metadata on-disk header.
It only reads the hash blocks which directly follow the header.
It is expected that a user-space tool will verify the integrity of the
verity header.
The on-disk format is especially useful in cases where the hash blocks
are on a separate partition. The magic number allows easy identification
of the partition contents. Alternatively, the hash blocks can be stored
in the same partition as the data to be verified. In such a configuration
the filesystem on the partition would be sized a little smaller than
the full-partition, leaving room for the hash blocks.
struct superblock {
uint8_t signature[8]
"verity\0\0";
uint8_t version;
1 - current format
uint8_t data_block_bits;
log2(data block size)
uint8_t hash_block_bits;
log2(hash block size)
uint8_t pad1[1];
zero padding
uint16_t salt_size;
big-endian salt size
uint8_t pad2[2];
zero padding
uint32_t data_blocks_hi;
big-endian high 32 bits of the 64-bit number of data blocks
uint32_t data_blocks_lo;
big-endian low 32 bits of the 64-bit number of data blocks
uint8_t algorithm[16];
cryptographic algorithm
uint8_t salt[384];
salt (the salt size is specified above)
uint8_t pad3[88];
zero padding to 512-byte boundary
}
Alternatively, the header can be omitted and the dmsetup parameters can
be passed via the kernel command-line in a rooted chain of trust where
the command-line is verified.
Directly following the header (and with sector number padded to the next hash
block boundary) are the hash blocks which are stored a depth at a time
(starting from the root), sorted in order of increasing index.
The full specification of kernel parameters and on-disk metadata format
is available at the cryptsetup project's wiki page
http://code.google.com/p/cryptsetup/wiki/DMVerity
Status
======
V (for Valid) is returned if every check performed so far was valid.
@ -174,21 +134,22 @@ If any check failed, C (for Corruption) is returned.
Example
=======
Setup a device:
dmsetup create vroot --table \
"0 2097152 "\
"verity 1 /dev/sda1 /dev/sda2 4096 4096 2097152 1 "\
Set up a device:
# dmsetup create vroot --readonly --table \
"0 2097152 verity 1 /dev/sda1 /dev/sda2 4096 4096 262144 1 sha256 "\
"4392712ba01368efdf14b05c76f9e4df0d53664630b5d48632ed17a137f39076 "\
"1234000000000000000000000000000000000000000000000000000000000000"
A command line tool veritysetup is available to compute or verify
the hash tree or activate the kernel driver. This is available from
the LVM2 upstream repository and may be supplied as a package called
device-mapper-verity-tools:
git://sources.redhat.com/git/lvm2
http://sourceware.org/git/?p=lvm2.git
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/verity?cvsroot=lvm2
the hash tree or activate the kernel device. This is available from
the cryptsetup upstream repository http://code.google.com/p/cryptsetup/
(as a libcryptsetup extension).
veritysetup -a vroot /dev/sda1 /dev/sda2 \
4392712ba01368efdf14b05c76f9e4df0d53664630b5d48632ed17a137f39076
Create hash on the device:
# veritysetup format /dev/sda1 /dev/sda2
...
Root hash: 4392712ba01368efdf14b05c76f9e4df0d53664630b5d48632ed17a137f39076
Activate the device:
# veritysetup create vroot /dev/sda1 /dev/sda2 \
4392712ba01368efdf14b05c76f9e4df0d53664630b5d48632ed17a137f39076

1
Documentation/devicetree/bindings/input/fsl-mma8450.txt
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@ -2,6 +2,7 @@
Required properties:
- compatible : "fsl,mma8450".
- reg: the I2C address of MMA8450
Example:

4
Documentation/devicetree/bindings/mfd/mc13xxx.txt
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@ -46,8 +46,8 @@ Examples:
ecspi@70010000 { /* ECSPI1 */
fsl,spi-num-chipselects = <2>;
cs-gpios = <&gpio3 24 0>, /* GPIO4_24 */
<&gpio3 25 0>; /* GPIO4_25 */
cs-gpios = <&gpio4 24 0>, /* GPIO4_24 */
<&gpio4 25 0>; /* GPIO4_25 */
status = "okay";
pmic: mc13892@0 {

4
Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt
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@ -29,6 +29,6 @@ esdhc@70008000 {
compatible = "fsl,imx51-esdhc";
reg = <0x70008000 0x4000>;
interrupts = <2>;
cd-gpios = <&gpio0 6 0>; /* GPIO1_6 */
wp-gpios = <&gpio0 5 0>; /* GPIO1_5 */
cd-gpios = <&gpio1 6 0>; /* GPIO1_6 */
wp-gpios = <&gpio1 5 0>; /* GPIO1_5 */
};

2
Documentation/devicetree/bindings/net/fsl-fec.txt
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@ -19,6 +19,6 @@ ethernet@83fec000 {
reg = <0x83fec000 0x4000>;
interrupts = <87>;
phy-mode = "mii";
phy-reset-gpios = <&gpio1 14 0>; /* GPIO2_14 */
phy-reset-gpios = <&gpio2 14 0>; /* GPIO2_14 */
local-mac-address = [00 04 9F 01 1B B9];
};

2
Documentation/devicetree/bindings/pinctrl/fsl,imx6q-pinctrl.txt
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@ -1626,3 +1626,5 @@ MX6Q_PAD_SD2_DAT3__PCIE_CTRL_MUX_11 1587
MX6Q_PAD_SD2_DAT3__GPIO_1_12 1588
MX6Q_PAD_SD2_DAT3__SJC_DONE 1589
MX6Q_PAD_SD2_DAT3__ANATOP_TESTO_3 1590
MX6Q_PAD_ENET_RX_ER__ANATOP_USBOTG_ID 1591
MX6Q_PAD_GPIO_1__ANATOP_USBOTG_ID 1592

4
Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
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@ -17,6 +17,6 @@ ecspi@70010000 {
reg = <0x70010000 0x4000>;
interrupts = <36>;
fsl,spi-num-chipselects = <2>;
cs-gpios = <&gpio3 24 0>, /* GPIO4_24 */
<&gpio3 25 0>; /* GPIO4_25 */
cs-gpios = <&gpio3 24 0>, /* GPIO3_24 */
<&gpio3 25 0>; /* GPIO3_25 */
};

14
Documentation/devicetree/bindings/thermal/spear-thermal.txt Normal file
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@ -0,0 +1,14 @@
* SPEAr Thermal
Required properties:
- compatible : "st,thermal-spear1340"
- reg : Address range of the thermal registers
- st,thermal-flags: flags used to enable thermal sensor
Example:
thermal@fc000000 {
compatible = "st,thermal-spear1340";
reg = <0xfc000000 0x1000>;
st,thermal-flags = <0x7000>;
};

1
Documentation/devicetree/bindings/vendor-prefixes.txt
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@ -3,6 +3,7 @@ Device tree binding vendor prefix registry. Keep list in alphabetical order.
This isn't an exhaustive list, but you should add new prefixes to it before
using them to avoid name-space collisions.
ad Avionic Design GmbH
adi Analog Devices, Inc.
amcc Applied Micro Circuits Corporation (APM, formally AMCC)
apm Applied Micro Circuits Corporation (APM)

22
Documentation/hwmon/coretemp
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@ -6,7 +6,9 @@ Supported chips:
Prefix: 'coretemp'
CPUID: family 0x6, models 0xe (Pentium M DC), 0xf (Core 2 DC 65nm),
0x16 (Core 2 SC 65nm), 0x17 (Penryn 45nm),
0x1a (Nehalem), 0x1c (Atom), 0x1e (Lynnfield)
0x1a (Nehalem), 0x1c (Atom), 0x1e (Lynnfield),
0x26 (Tunnel Creek Atom), 0x27 (Medfield Atom),
0x36 (Cedar Trail Atom)
Datasheet: Intel 64 and IA-32 Architectures Software Developer's Manual
Volume 3A: System Programming Guide
http://softwarecommunity.intel.com/Wiki/Mobility/720.htm
@ -52,6 +54,17 @@ Some information comes from ark.intel.com
Process Processor TjMax(C)
22nm Core i5/i7 Processors
i7 3920XM, 3820QM, 3720QM, 3667U, 3520M 105
i5 3427U, 3360M/3320M 105
i7 3770/3770K 105
i5 3570/3570K, 3550, 3470/3450 105
i7 3770S 103
i5 3570S/3550S, 3475S/3470S/3450S 103
i7 3770T 94
i5 3570T 94
i5 3470T 91
32nm Core i3/i5/i7 Processors
i7 660UM/640/620, 640LM/620, 620M, 610E 105
i5 540UM/520/430, 540M/520/450/430 105
@ -65,6 +78,11 @@ Process Processor TjMax(C)
U3400 105
P4505/P4500 90
32nm Atom Processors
Z2460 90
D2700/2550/2500 100
N2850/2800/2650/2600 100
45nm Xeon Processors 5400 Quad-Core
X5492, X5482, X5472, X5470, X5460, X5450 85
E5472, E5462, E5450/40/30/20/10/05 85
@ -85,6 +103,8 @@ Process Processor TjMax(C)
N475/470/455/450 100
N280/270 90
330/230 125
E680/660/640/620 90
E680T/660T/640T/620T 110
45nm Core2 Processors
Solo ULV SU3500/3300 100

2
Documentation/kdump/kdump.txt
Просмотреть файл

@ -86,7 +86,7 @@ There is also a gitweb interface available at
http://www.kernel.org/git/?p=utils/kernel/kexec/kexec-tools.git
More information about kexec-tools can be found at
http://www.kernel.org/pub/linux/utils/kernel/kexec/README.html
http://horms.net/projects/kexec/
3) Unpack the tarball with the tar command, as follows:

44
Documentation/networking/stmmac.txt
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@ -10,8 +10,8 @@ Currently this network device driver is for all STM embedded MAC/GMAC
(i.e. 7xxx/5xxx SoCs), SPEAr (arm), Loongson1B (mips) and XLINX XC2V3000
FF1152AMT0221 D1215994A VIRTEX FPGA board.
DWC Ether MAC 10/100/1000 Universal version 3.60a (and older) and DWC Ether MAC 10/100
Universal version 4.0 have been used for developing this driver.
DWC Ether MAC 10/100/1000 Universal version 3.60a (and older) and DWC Ether
MAC 10/100 Universal version 4.0 have been used for developing this driver.
This driver supports both the platform bus and PCI.
@ -54,27 +54,27 @@ net_device structure enabling the scatter/gather feature.
When one or more packets are received, an interrupt happens. The interrupts
are not queued so the driver has to scan all the descriptors in the ring during
the receive process.
This is based on NAPI so the interrupt handler signals only if there is work to be
done, and it exits.
This is based on NAPI so the interrupt handler signals only if there is work
to be done, and it exits.
Then the poll method will be scheduled at some future point.
The incoming packets are stored, by the DMA, in a list of pre-allocated socket
buffers in order to avoid the memcpy (Zero-copy).
4.3) Timer-Driver Interrupt
Instead of having the device that asynchronously notifies the frame receptions, the
driver configures a timer to generate an interrupt at regular intervals.
Based on the granularity of the timer, the frames that are received by the device
will experience different levels of latency. Some NICs have dedicated timer
device to perform this task. STMMAC can use either the RTC device or the TMU
channel 2 on STLinux platforms.
Instead of having the device that asynchronously notifies the frame receptions,
the driver configures a timer to generate an interrupt at regular intervals.
Based on the granularity of the timer, the frames that are received by the
device will experience different levels of latency. Some NICs have dedicated
timer device to perform this task. STMMAC can use either the RTC device or the
TMU channel 2 on STLinux platforms.
The timers frequency can be passed to the driver as parameter; when change it,
take care of both hardware capability and network stability/performance impact.
Several performance tests on STM platforms showed this optimisation allows to spare
the CPU while having the maximum throughput.
Several performance tests on STM platforms showed this optimisation allows to
spare the CPU while having the maximum throughput.
4.4) WOL
Wake up on Lan feature through Magic and Unicast frames are supported for the GMAC
core.
Wake up on Lan feature through Magic and Unicast frames are supported for the
GMAC core.
4.5) DMA descriptors
Driver handles both normal and enhanced descriptors. The latter has been only
@ -106,7 +106,8 @@ Several driver's information can be passed through the platform
These are included in the include/linux/stmmac.h header file
and detailed below as well:
struct plat_stmmacenet_data {
struct plat_stmmacenet_data {
char *phy_bus_name;
int bus_id;
int phy_addr;
int interface;
@ -124,19 +125,24 @@ and detailed below as well:
void (*bus_setup)(void __iomem *ioaddr);
int (*init)(struct platform_device *pdev);
void (*exit)(struct platform_device *pdev);
void *custom_cfg;
void *custom_data;
void *bsp_priv;
};
Where:
o phy_bus_name: phy bus name to attach to the stmmac.
o bus_id: bus identifier.
o phy_addr: the physical address can be passed from the platform.
If it is set to -1 the driver will automatically
detect it at run-time by probing all the 32 addresses.
o interface: PHY device's interface.
o mdio_bus_data: specific platform fields for the MDIO bus.
o pbl: the Programmable Burst Length is maximum number of beats to
o dma_cfg: internal DMA parameters
o pbl: the Programmable Burst Length is maximum number of beats to
be transferred in one DMA transaction.
GMAC also enables the 4xPBL by default.
o fixed_burst/mixed_burst/burst_len
o clk_csr: fixed CSR Clock range selection.
o has_gmac: uses the GMAC core.
o enh_desc: if sets the MAC will use the enhanced descriptor structure.
@ -160,8 +166,9 @@ Where:
this is sometime necessary on some platforms (e.g. ST boxes)
where the HW needs to have set some PIO lines or system cfg
registers.
o custom_cfg: this is a custom configuration that can be passed while
initialising the resources.
o custom_cfg/custom_data: this is a custom configuration that can be passed
while initialising the resources.
o bsp_priv: another private poiter.
For MDIO bus The we have:
@ -180,7 +187,6 @@ Where:
o irqs: list of IRQs, one per PHY.
o probed_phy_irq: if irqs is NULL, use this for probed PHY.
For DMA engine we have the following internal fields that should be
tuned according to the HW capabilities.

57
Documentation/prctl/no_new_privs.txt Normal file
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@ -0,0 +1,57 @@
The execve system call can grant a newly-started program privileges that
its parent did not have. The most obvious examples are setuid/setgid
programs and file capabilities. To prevent the parent program from
gaining these privileges as well, the kernel and user code must be
careful to prevent the parent from doing anything that could subvert the
child. For example:
- The dynamic loader handles LD_* environment variables differently if
a program is setuid.
- chroot is disallowed to unprivileged processes, since it would allow
/etc/passwd to be replaced from the point of view of a process that
inherited chroot.
- The exec code has special handling for ptrace.
These are all ad-hoc fixes. The no_new_privs bit (since Linux 3.5) is a
new, generic mechanism to make it safe for a process to modify its
execution environment in a manner that persists across execve. Any task
can set no_new_privs. Once the bit is set, it is inherited across fork,
clone, and execve and cannot be unset. With no_new_privs set, execve
promises not to grant the privilege to do anything that could not have
been done without the execve call. For example, the setuid and setgid
bits will no longer change the uid or gid; file capabilities will not
add to the permitted set, and LSMs will not relax constraints after
execve.
To set no_new_privs, use prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0).
Be careful, though: LSMs might also not tighten constraints on exec
in no_new_privs mode. (This means that setting up a general-purpose
service launcher to set no_new_privs before execing daemons may
interfere with LSM-based sandboxing.)
Note that no_new_privs does not prevent privilege changes that do not
involve execve. An appropriately privileged task can still call
setuid(2) and receive SCM_RIGHTS datagrams.
There are two main use cases for no_new_privs so far:
- Filters installed for the seccomp mode 2 sandbox persist across
execve and can change the behavior of newly-executed programs.
Unprivileged users are therefore only allowed to install such filters
if no_new_privs is set.
- By itself, no_new_privs can be used to reduce the attack surface
available to an unprivileged user. If everything running with a
given uid has no_new_privs set, then that uid will be unable to
escalate its privileges by directly attacking setuid, setgid, and
fcap-using binaries; it will need to compromise something without the
no_new_privs bit set first.
In the future, other potentially dangerous kernel features could become
available to unprivileged tasks if no_new_privs is set. In principle,
several options to unshare(2) and clone(2) would be safe when
no_new_privs is set, and no_new_privs + chroot is considerable less
dangerous than chroot by itself.

6
Documentation/stable_kernel_rules.txt
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@ -12,6 +12,12 @@ Rules on what kind of patches are accepted, and which ones are not, into the
marked CONFIG_BROKEN), an oops, a hang, data corruption, a real
security issue, or some "oh, that's not good" issue. In short, something
critical.
- Serious issues as reported by a user of a distribution kernel may also
be considered if they fix a notable performance or interactivity issue.
As these fixes are not as obvious and have a higher risk of a subtle
regression they should only be submitted by a distribution kernel
maintainer and include an addendum linking to a bugzilla entry if it
exists and additional information on the user-visible impact.
- New device IDs and quirks are also accepted.
- No "theoretical race condition" issues, unless an explanation of how the
race can be exploited is also provided.

30
Documentation/thermal/sysfs-api.txt
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@ -32,7 +32,8 @@ temperature) and throttle appropriate devices.
1.1 thermal zone device interface
1.1.1 struct thermal_zone_device *thermal_zone_device_register(char *name,
int trips, void *devdata, struct thermal_zone_device_ops *ops)
int trips, int mask, void *devdata,
struct thermal_zone_device_ops *ops)
This interface function adds a new thermal zone device (sensor) to
/sys/class/thermal folder as thermal_zone[0-*]. It tries to bind all the
@ -40,16 +41,17 @@ temperature) and throttle appropriate devices.
name: the thermal zone name.
trips: the total number of trip points this thermal zone supports.
mask: Bit string: If 'n'th bit is set, then trip point 'n' is writeable.
devdata: device private data
ops: thermal zone device call-backs.
.bind: bind the thermal zone device with a thermal cooling device.
.unbind: unbind the thermal zone device with a thermal cooling device.
.get_temp: get the current temperature of the thermal zone.
.get_mode: get the current mode (user/kernel) of the thermal zone.
- "kernel" means thermal management is done in kernel.
- "user" will prevent kernel thermal driver actions upon trip points
.get_mode: get the current mode (enabled/disabled) of the thermal zone.
- "enabled" means the kernel thermal management is enabled.
- "disabled" will prevent kernel thermal driver action upon trip points
so that user applications can take charge of thermal management.
.set_mode: set the mode (user/kernel) of the thermal zone.
.set_mode: set the mode (enabled/disabled) of the thermal zone.
.get_trip_type: get the type of certain trip point.
.get_trip_temp: get the temperature above which the certain trip point
will be fired.
@ -119,6 +121,7 @@ Thermal zone device sys I/F, created once it's registered:
|---mode: Working mode of the thermal zone
|---trip_point_[0-*]_temp: Trip point temperature
|---trip_point_[0-*]_type: Trip point type
|---trip_point_[0-*]_hyst: Hysteresis value for this trip point
Thermal cooling device sys I/F, created once it's registered:
/sys/class/thermal/cooling_device[0-*]:
@ -167,14 +170,14 @@ temp
RO, Required
mode
One of the predefined values in [kernel, user].
One of the predefined values in [enabled, disabled].
This file gives information about the algorithm that is currently
managing the thermal zone. It can be either default kernel based
algorithm or user space application.
kernel = Thermal management in kernel thermal zone driver.
user = Preventing kernel thermal zone driver actions upon
trip points so that user application can take full
charge of the thermal management.
enabled = enable Kernel Thermal management.
disabled = Preventing kernel thermal zone driver actions upon
trip points so that user application can take full
charge of the thermal management.
RW, Optional
trip_point_[0-*]_temp
@ -188,6 +191,11 @@ trip_point_[0-*]_type
thermal zone.
RO, Optional
trip_point_[0-*]_hyst
The hysteresis value for a trip point, represented as an integer
Unit: Celsius
RW, Optional
cdev[0-*]
Sysfs link to the thermal cooling device node where the sys I/F
for cooling device throttling control represents.
@ -248,7 +256,7 @@ method, the sys I/F structure will be built like this:
|thermal_zone1:
|---type: acpitz
|---temp: 37000
|---mode: kernel
|---mode: enabled
|---trip_point_0_temp: 100000
|---trip_point_0_type: critical
|---trip_point_1_temp: 80000

17
Documentation/virtual/kvm/api.txt
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@ -1930,6 +1930,23 @@ The "pte_enc" field provides a value that can OR'ed into the hash
PTE's RPN field (ie, it needs to be shifted left by 12 to OR it
into the hash PTE second double word).
4.75 KVM_IRQFD
Capability: KVM_CAP_IRQFD
Architectures: x86
Type: vm ioctl
Parameters: struct kvm_irqfd (in)
Returns: 0 on success, -1 on error
Allows setting an eventfd to directly trigger a guest interrupt.
kvm_irqfd.fd specifies the file descriptor to use as the eventfd and
kvm_irqfd.gsi specifies the irqchip pin toggled by this event. When
an event is tiggered on the eventfd, an interrupt is injected into
the guest using the specified gsi pin. The irqfd is removed using
the KVM_IRQFD_FLAG_DEASSIGN flag, specifying both kvm_irqfd.fd
and kvm_irqfd.gsi.
5. The kvm_run structure
------------------------

49
MAINTAINERS
Просмотреть файл

@ -572,7 +572,7 @@ F: drivers/net/appletalk/
F: net/appletalk/
ARASAN COMPACT FLASH PATA CONTROLLER
M: Viresh Kumar <viresh.kumar@st.com>
M: Viresh Kumar <viresh.linux@gmail.com>
L: linux-ide@vger.kernel.org
S: Maintained
F: include/linux/pata_arasan_cf_data.h
@ -1639,11 +1639,11 @@ S: Maintained
F: drivers/gpio/gpio-bt8xx.c
BTRFS FILE SYSTEM
M: Chris Mason <chris.mason@oracle.com>
M: Chris Mason <chris.mason@fusionio.com>
L: linux-btrfs@vger.kernel.org
W: http://btrfs.wiki.kernel.org/
Q: http://patchwork.kernel.org/project/linux-btrfs/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs.git
S: Maintained
F: Documentation/filesystems/btrfs.txt
F: fs/btrfs/
@ -1793,6 +1793,9 @@ F: include/linux/cfag12864b.h
CFG80211 and NL80211
M: Johannes Berg <johannes@sipsolutions.net>
L: linux-wireless@vger.kernel.org
W: http://wireless.kernel.org/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
S: Maintained
F: include/linux/nl80211.h
F: include/net/cfg80211.h
@ -3423,13 +3426,14 @@ S: Supported
F: drivers/idle/i7300_idle.c
IEEE 802.15.4 SUBSYSTEM
M: Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
M: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
M: Sergey Lapin <slapin@ossfans.org>
L: linux-zigbee-devel@lists.sourceforge.net (moderated for non-subscribers)
W: http://apps.sourceforge.net/trac/linux-zigbee
T: git git://git.kernel.org/pub/scm/linux/kernel/git/lowpan/lowpan.git
S: Maintained
F: net/ieee802154/
F: net/mac802154/
F: drivers/ieee802154/
IIO SUBSYSTEM AND DRIVERS
@ -4342,7 +4346,8 @@ MAC80211
M: Johannes Berg <johannes@sipsolutions.net>
L: linux-wireless@vger.kernel.org
W: http://linuxwireless.org/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
S: Maintained
F: Documentation/networking/mac80211-injection.txt
F: include/net/mac80211.h
@ -4353,7 +4358,8 @@ M: Stefano Brivio <stefano.brivio@polimi.it>
M: Mattias Nissler <mattias.nissler@gmx.de>
L: linux-wireless@vger.kernel.org
W: http://linuxwireless.org/en/developers/Documentation/mac80211/RateControl/PID
T: git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
S: Maintained
F: net/mac80211/rc80211_pid*
@ -4642,8 +4648,8 @@ L: netfilter@vger.kernel.org
L: coreteam@netfilter.org
W: http://www.netfilter.org/
W: http://www.iptables.org/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-2.6.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next-2.6.git
T: git git://1984.lsi.us.es/nf
T: git git://1984.lsi.us.es/nf-next
S: Supported
F: include/linux/netfilter*
F: include/linux/netfilter/
@ -4845,6 +4851,7 @@ M: Kevin Hilman <khilman@ti.com>
L: linux-omap@vger.kernel.org
S: Maintained
F: arch/arm/*omap*/*pm*
F: drivers/cpufreq/omap-cpufreq.c
OMAP POWERDOMAIN/CLOCKDOMAIN SOC ADAPTATION LAYER SUPPORT
M: Rajendra Nayak <rnayak@ti.com>
@ -5284,7 +5291,7 @@ S: Maintained
F: drivers/pinctrl/
PIN CONTROLLER - ST SPEAR
M: Viresh Kumar <viresh.kumar@st.com>
M: Viresh Kumar <viresh.linux@gmail.com>
L: spear-devel@list.st.com
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
W: http://www.st.com/spear
@ -5551,7 +5558,7 @@ F: Documentation/networking/LICENSE.qla3xxx
F: drivers/net/ethernet/qlogic/qla3xxx.*
QLOGIC QLCNIC (1/10)Gb ETHERNET DRIVER
M: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
M: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
M: Sony Chacko <sony.chacko@qlogic.com>
M: linux-driver@qlogic.com
L: netdev@vger.kernel.org
@ -5559,7 +5566,6 @@ S: Supported
F: drivers/net/ethernet/qlogic/qlcnic/
QLOGIC QLGE 10Gb ETHERNET DRIVER
M: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
M: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
M: Ron Mercer <ron.mercer@qlogic.com>
M: linux-driver@qlogic.com
@ -5704,6 +5710,9 @@ F: include/linux/remoteproc.h
RFKILL
M: Johannes Berg <johannes@sipsolutions.net>
L: linux-wireless@vger.kernel.org
W: http://wireless.kernel.org/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
S: Maintained
F: Documentation/rfkill.txt
F: net/rfkill/
@ -5858,7 +5867,7 @@ S: Maintained
F: drivers/tty/serial
SYNOPSYS DESIGNWARE DMAC DRIVER
M: Viresh Kumar <viresh.kumar@st.com>
M: Viresh Kumar <viresh.linux@gmail.com>
S: Maintained
F: include/linux/dw_dmac.h
F: drivers/dma/dw_dmac_regs.h
@ -5894,7 +5903,7 @@ M: Ingo Molnar <mingo@redhat.com>
M: Peter Zijlstra <peterz@infradead.org>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched/core
S: Maintained
F: kernel/sched*
F: kernel/sched/
F: include/linux/sched.h
SCORE ARCHITECTURE
@ -6006,7 +6015,7 @@ S: Maintained
F: drivers/mmc/host/sdhci-s3c.c
SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) ST SPEAR DRIVER
M: Viresh Kumar <viresh.kumar@st.com>
M: Viresh Kumar <viresh.linux@gmail.com>
L: spear-devel@list.st.com
L: linux-mmc@vger.kernel.org
S: Maintained
@ -6362,7 +6371,7 @@ S: Maintained
F: include/linux/compiler.h
SPEAR PLATFORM SUPPORT
M: Viresh Kumar <viresh.kumar@st.com>
M: Viresh Kumar <viresh.linux@gmail.com>
M: Shiraz Hashim <shiraz.hashim@st.com>
L: spear-devel@list.st.com
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@ -6371,7 +6380,7 @@ S: Maintained
F: arch/arm/plat-spear/
SPEAR13XX MACHINE SUPPORT
M: Viresh Kumar <viresh.kumar@st.com>
M: Viresh Kumar <viresh.linux@gmail.com>
M: Shiraz Hashim <shiraz.hashim@st.com>
L: spear-devel@list.st.com
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@ -6380,7 +6389,7 @@ S: Maintained
F: arch/arm/mach-spear13xx/
SPEAR3XX MACHINE SUPPORT
M: Viresh Kumar <viresh.kumar@st.com>
M: Viresh Kumar <viresh.linux@gmail.com>
M: Shiraz Hashim <shiraz.hashim@st.com>
L: spear-devel@list.st.com
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@ -6391,7 +6400,7 @@ F: arch/arm/mach-spear3xx/
SPEAR6XX MACHINE SUPPORT
M: Rajeev Kumar <rajeev-dlh.kumar@st.com>
M: Shiraz Hashim <shiraz.hashim@st.com>
M: Viresh Kumar <viresh.kumar@st.com>
M: Viresh Kumar <viresh.linux@gmail.com>
L: spear-devel@list.st.com
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
W: http://www.st.com/spear
@ -6399,7 +6408,7 @@ S: Maintained
F: arch/arm/mach-spear6xx/
SPEAR CLOCK FRAMEWORK SUPPORT
M: Viresh Kumar <viresh.kumar@st.com>
M: Viresh Kumar <viresh.linux@gmail.com>
L: spear-devel@list.st.com
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
W: http://www.st.com/spear
@ -7406,7 +7415,7 @@ F: include/linux/vlynq.h
VME SUBSYSTEM
M: Martyn Welch <martyn.welch@ge.com>
M: Manohar Vanga <manohar.vanga@cern.ch>
M: Manohar Vanga <manohar.vanga@gmail.com>
M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
L: devel@driverdev.osuosl.org
S: Maintained

6
Makefile
Просмотреть файл

@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 5
SUBLEVEL = 0
EXTRAVERSION = -rc2
EXTRAVERSION =
NAME = Saber-toothed Squirrel
# *DOCUMENTATION*
@ -561,6 +561,8 @@ else
KBUILD_CFLAGS += -O2
endif
include $(srctree)/arch/$(SRCARCH)/Makefile
ifdef CONFIG_READABLE_ASM
# Disable optimizations that make assembler listings hard to read.
# reorder blocks reorders the control in the function
@ -571,8 +573,6 @@ KBUILD_CFLAGS += $(call cc-option,-fno-reorder-blocks,) \
$(call cc-option,-fno-partial-inlining)
endif
include $(srctree)/arch/$(SRCARCH)/Makefile
ifneq ($(CONFIG_FRAME_WARN),0)
KBUILD_CFLAGS += $(call cc-option,-Wframe-larger-than=${CONFIG_FRAME_WARN})
endif

2
arch/arm/Kconfig
Просмотреть файл

@ -293,6 +293,7 @@ config ARCH_VERSATILE
select ICST
select GENERIC_CLOCKEVENTS
select ARCH_WANT_OPTIONAL_GPIOLIB
select NEED_MACH_IO_H if PCI
select PLAT_VERSATILE
select PLAT_VERSATILE_CLCD
select PLAT_VERSATILE_FPGA_IRQ
@ -588,6 +589,7 @@ config ARCH_ORION5X
select PCI
select ARCH_REQUIRE_GPIOLIB
select GENERIC_CLOCKEVENTS
select NEED_MACH_IO_H
select PLAT_ORION
help
Support for the following Marvell Orion 5x series SoCs:

4
arch/arm/boot/dts/mmp2-brownstone.dts
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@ -11,7 +11,7 @@
/include/ "mmp2.dtsi"
/ {
model = "Marvell MMP2 Aspenite Development Board";
model = "Marvell MMP2 Brownstone Development Board";
compatible = "mrvl,mmp2-brownstone", "mrvl,mmp2";
chosen {
@ -19,7 +19,7 @@
};
memory {
reg = <0x00000000 0x04000000>;
reg = <0x00000000 0x08000000>;
};
soc {

2
arch/arm/boot/dts/omap2.dtsi
Просмотреть файл

@ -44,6 +44,8 @@
compatible = "ti,omap2-intc";
interrupt-controller;
#interrupt-cells = <1>;
ti,intc-size = <96>;
reg = <0x480FE000 0x1000>;
};
uart1: serial@4806a000 {

2
arch/arm/boot/dts/spear1310-evb.dts
Просмотреть файл

@ -1,7 +1,7 @@
/*
* DTS file for SPEAr1310 Evaluation Baord
*
* Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
* Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License

2
arch/arm/boot/dts/spear1310.dtsi
Просмотреть файл

@ -1,7 +1,7 @@
/*
* DTS file for all SPEAr1310 SoCs
*
* Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
* Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License

2
arch/arm/boot/dts/spear1340-evb.dts
Просмотреть файл

@ -1,7 +1,7 @@
/*
* DTS file for SPEAr1340 Evaluation Baord
*
* Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
* Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License

2
arch/arm/boot/dts/spear1340.dtsi
Просмотреть файл

@ -1,7 +1,7 @@
/*
* DTS file for all SPEAr1340 SoCs
*
* Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
* Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License

13
arch/arm/boot/dts/spear13xx.dtsi
Просмотреть файл

@ -1,7 +1,7 @@
/*
* DTS file for all SPEAr13xx SoCs
*
* Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
* Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
@ -43,8 +43,8 @@
pmu {
compatible = "arm,cortex-a9-pmu";
interrupts = <0 8 0x04
0 9 0x04>;
interrupts = <0 6 0x04
0 7 0x04>;
};
L2: l2-cache {
@ -119,8 +119,8 @@
gmac0: eth@e2000000 {
compatible = "st,spear600-gmac";
reg = <0xe2000000 0x8000>;
interrupts = <0 23 0x4
0 24 0x4>;
interrupts = <0 33 0x4
0 34 0x4>;
interrupt-names = "macirq", "eth_wake_irq";
status = "disabled";
};
@ -202,6 +202,7 @@
kbd@e0300000 {
compatible = "st,spear300-kbd";
reg = <0xe0300000 0x1000>;
interrupts = <0 52 0x4>;
status = "disabled";
};
@ -224,7 +225,7 @@
serial@e0000000 {
compatible = "arm,pl011", "arm,primecell";
reg = <0xe0000000 0x1000>;
interrupts = <0 36 0x4>;
interrupts = <0 35 0x4>;
status = "disabled";
};

2
arch/arm/boot/dts/spear300-evb.dts
Просмотреть файл

@ -1,7 +1,7 @@
/*
* DTS file for SPEAr300 Evaluation Baord
*
* Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
* Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License

2
arch/arm/boot/dts/spear300.dtsi
Просмотреть файл

@ -1,7 +1,7 @@
/*
* DTS file for SPEAr300 SoC
*
* Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
* Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License

2
arch/arm/boot/dts/spear310-evb.dts
Просмотреть файл

@ -1,7 +1,7 @@
/*
* DTS file for SPEAr310 Evaluation Baord
*
* Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
* Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License

2
arch/arm/boot/dts/spear310.dtsi
Просмотреть файл

@ -1,7 +1,7 @@
/*
* DTS file for SPEAr310 SoC
*
* Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
* Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License

8
arch/arm/boot/dts/spear320-evb.dts
Просмотреть файл

@ -1,7 +1,7 @@
/*
* DTS file for SPEAr320 Evaluation Baord
*
* Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
* Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
@ -15,8 +15,8 @@
/include/ "spear320.dtsi"
/ {
model = "ST SPEAr300 Evaluation Board";
compatible = "st,spear300-evb", "st,spear300";
model = "ST SPEAr320 Evaluation Board";
compatible = "st,spear320-evb", "st,spear320";
#address-cells = <1>;
#size-cells = <1>;
@ -26,7 +26,7 @@
ahb {
pinmux@b3000000 {
st,pinmux-mode = <3>;
st,pinmux-mode = <4>;
pinctrl-names = "default";
pinctrl-0 = <&state_default>;

2
arch/arm/boot/dts/spear320.dtsi
Просмотреть файл

@ -1,7 +1,7 @@
/*
* DTS file for SPEAr320 SoC
*
* Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
* Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License

2
arch/arm/boot/dts/spear3xx.dtsi
Просмотреть файл

@ -1,7 +1,7 @@
/*
* DTS file for all SPEAr3xx SoCs
*
* Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
* Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License

1
arch/arm/boot/dts/spear600.dtsi
Просмотреть файл

@ -181,6 +181,7 @@
timer@f0000000 {
compatible = "st,spear-timer";
reg = <0xf0000000 0x400>;
interrupt-parent = <&vic0>;
interrupts = <16>;
};
};

16
arch/arm/common/dmabounce.c
Просмотреть файл

@ -366,8 +366,8 @@ static int __dmabounce_sync_for_cpu(struct device *dev, dma_addr_t addr,
struct safe_buffer *buf;
unsigned long off;
dev_dbg(dev, "%s(dma=%#x,off=%#lx,sz=%zx,dir=%x)\n",
__func__, addr, off, sz, dir);
dev_dbg(dev, "%s(dma=%#x,sz=%zx,dir=%x)\n",
__func__, addr, sz, dir);
buf = find_safe_buffer_dev(dev, addr, __func__);
if (!buf)
@ -377,8 +377,8 @@ static int __dmabounce_sync_for_cpu(struct device *dev, dma_addr_t addr,
BUG_ON(buf->direction != dir);
dev_dbg(dev, "%s: unsafe buffer %p (dma=%#x) mapped to %p (dma=%#x)\n",
__func__, buf->ptr, virt_to_dma(dev, buf->ptr),
dev_dbg(dev, "%s: unsafe buffer %p (dma=%#x off=%#lx) mapped to %p (dma=%#x)\n",
__func__, buf->ptr, virt_to_dma(dev, buf->ptr), off,
buf->safe, buf->safe_dma_addr);
DO_STATS(dev->archdata.dmabounce->bounce_count++);
@ -406,8 +406,8 @@ static int __dmabounce_sync_for_device(struct device *dev, dma_addr_t addr,
struct safe_buffer *buf;
unsigned long off;
dev_dbg(dev, "%s(dma=%#x,off=%#lx,sz=%zx,dir=%x)\n",
__func__, addr, off, sz, dir);
dev_dbg(dev, "%s(dma=%#x,sz=%zx,dir=%x)\n",
__func__, addr, sz, dir);
buf = find_safe_buffer_dev(dev, addr, __func__);
if (!buf)
@ -417,8 +417,8 @@ static int __dmabounce_sync_for_device(struct device *dev, dma_addr_t addr,
BUG_ON(buf->direction != dir);
dev_dbg(dev, "%s: unsafe buffer %p (dma=%#x) mapped to %p (dma=%#x)\n",
__func__, buf->ptr, virt_to_dma(dev, buf->ptr),
dev_dbg(dev, "%s: unsafe buffer %p (dma=%#x off=%#lx) mapped to %p (dma=%#x)\n",
__func__, buf->ptr, virt_to_dma(dev, buf->ptr), off,
buf->safe, buf->safe_dma_addr);
DO_STATS(dev->archdata.dmabounce->bounce_count++);

1
arch/arm/configs/omap2plus_defconfig
Просмотреть файл

@ -176,7 +176,6 @@ CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
CONFIG_USB_DEVICEFS=y
CONFIG_USB_SUSPEND=y
CONFIG_USB_MON=y
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_WDM=y
CONFIG_USB_STORAGE=y
CONFIG_USB_LIBUSUAL=y

2
arch/arm/include/asm/atomic.h
Просмотреть файл

@ -243,7 +243,7 @@ typedef struct {
#define ATOMIC64_INIT(i) { (i) }
static inline u64 atomic64_read(atomic64_t *v)
static inline u64 atomic64_read(const atomic64_t *v)
{
u64 result;

18
arch/arm/include/asm/domain.h
Просмотреть файл

@ -60,13 +60,13 @@
#ifndef __ASSEMBLY__
#ifdef CONFIG_CPU_USE_DOMAINS
#define set_domain(x) \
do { \
__asm__ __volatile__( \
"mcr p15, 0, %0, c3, c0 @ set domain" \
: : "r" (x)); \
isb(); \
} while (0)
static inline void set_domain(unsigned val)
{
asm volatile(
"mcr p15, 0, %0, c3, c0 @ set domain"
: : "r" (val));
isb();
}
#define modify_domain(dom,type) \
do { \
@ -78,8 +78,8 @@
} while (0)
#else
#define set_domain(x) do { } while (0)
#define modify_domain(dom,type) do { } while (0)
static inline void set_domain(unsigned val) { }
static inline void modify_domain(unsigned dom, unsigned type) { }
#endif
/*

1
arch/arm/include/asm/futex.h
Просмотреть файл

@ -19,6 +19,7 @@
" .long 1b, 4f, 2b, 4f\n" \
" .popsection\n" \
" .pushsection .fixup,\"ax\"\n" \
" .align 2\n" \
"4: mov %0, " err_reg "\n" \
" b 3b\n" \
" .popsection"

2
arch/arm/include/asm/hardware/sp810.h
Просмотреть файл

@ -4,7 +4,7 @@
* ARM PrimeXsys System Controller SP810 header file
*
* Copyright (C) 2009 ST Microelectronics
* Viresh Kumar<viresh.kumar@st.com>
* Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any

5
arch/arm/include/asm/thread_info.h
Просмотреть файл

@ -148,7 +148,6 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *,
#define TIF_NOTIFY_RESUME 2 /* callback before returning to user */
#define TIF_SYSCALL_TRACE 8
#define TIF_SYSCALL_AUDIT 9
#define TIF_SYSCALL_RESTARTSYS 10
#define TIF_POLLING_NRFLAG 16
#define TIF_USING_IWMMXT 17
#define TIF_MEMDIE 18 /* is terminating due to OOM killer */
@ -164,11 +163,9 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *,
#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
#define _TIF_USING_IWMMXT (1 << TIF_USING_IWMMXT)
#define _TIF_SECCOMP (1 << TIF_SECCOMP)
#define _TIF_SYSCALL_RESTARTSYS (1 << TIF_SYSCALL_RESTARTSYS)
/* Checks for any syscall work in entry-common.S */
#define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \
_TIF_SYSCALL_RESTARTSYS)
#define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT)
/*
* Change these and you break ASM code in entry-common.S

1
arch/arm/kernel/entry-armv.S
Просмотреть файл

@ -495,6 +495,7 @@ ENDPROC(__und_usr)
* The out of line fixup for the ldrt above.
*/
.pushsection .fixup, "ax"
.align 2
4: mov pc, r9
.popsection
.pushsection __ex_table,"a"

4
arch/arm/kernel/kprobes-test-arm.c
Просмотреть файл

@ -187,8 +187,8 @@ void kprobe_arm_test_cases(void)
TEST_BF_R ("mov pc, r",0,2f,"")
TEST_BF_RR("mov pc, r",0,2f,", asl r",1,0,"")
TEST_BB( "sub pc, pc, #1b-2b+8")
#if __LINUX_ARM_ARCH__ >= 6
TEST_BB( "sub pc, pc, #1b-2b+8-2") /* UNPREDICTABLE before ARMv6 */
#if __LINUX_ARM_ARCH__ == 6 && !defined(CONFIG_CPU_V7)
TEST_BB( "sub pc, pc, #1b-2b+8-2") /* UNPREDICTABLE before and after ARMv6 */
#endif
TEST_BB_R( "sub pc, pc, r",14, 1f-2f+8,"")
TEST_BB_R( "rsb pc, r",14,1f-2f+8,", pc")

2
arch/arm/kernel/kprobes-thumb.c
Просмотреть файл

@ -660,7 +660,7 @@ static const union decode_item t32_table_1111_100x[] = {
/* LDRSB (literal) 1111 1001 x001 1111 xxxx xxxx xxxx xxxx */
/* LDRH (literal) 1111 1000 x011 1111 xxxx xxxx xxxx xxxx */
/* LDRSH (literal) 1111 1001 x011 1111 xxxx xxxx xxxx xxxx */
DECODE_EMULATEX (0xfe5f0000, 0xf81f0000, t32_simulate_ldr_literal,
DECODE_SIMULATEX(0xfe5f0000, 0xf81f0000, t32_simulate_ldr_literal,
REGS(PC, NOSPPCX, 0, 0, 0)),
/* STRB (immediate) 1111 1000 0000 xxxx xxxx 1xxx xxxx xxxx */

2
arch/arm/kernel/perf_event.c
Просмотреть файл

@ -503,7 +503,7 @@ __hw_perf_event_init(struct perf_event *event)
event_requires_mode_exclusion(&event->attr)) {
pr_debug("ARM performance counters do not support "
"mode exclusion\n");
return -EPERM;
return -EOPNOTSUPP;
}
/*

3
arch/arm/kernel/ptrace.c
Просмотреть файл

@ -25,7 +25,6 @@
#include <linux/regset.h>
#include <linux/audit.h>
#include <linux/tracehook.h>
#include <linux/unistd.h>
#include <asm/pgtable.h>
#include <asm/traps.h>
@ -918,8 +917,6 @@ asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno)
audit_syscall_entry(AUDIT_ARCH_ARM, scno, regs->ARM_r0,
regs->ARM_r1, regs->ARM_r2, regs->ARM_r3);
if (why == 0 && test_and_clear_thread_flag(TIF_SYSCALL_RESTARTSYS))
scno = __NR_restart_syscall - __NR_SYSCALL_BASE;
if (!test_thread_flag(TIF_SYSCALL_TRACE))
return scno;

46
arch/arm/kernel/signal.c
Просмотреть файл

@ -27,6 +27,7 @@
*/
#define SWI_SYS_SIGRETURN (0xef000000|(__NR_sigreturn)|(__NR_OABI_SYSCALL_BASE))
#define SWI_SYS_RT_SIGRETURN (0xef000000|(__NR_rt_sigreturn)|(__NR_OABI_SYSCALL_BASE))
#define SWI_SYS_RESTART (0xef000000|__NR_restart_syscall|__NR_OABI_SYSCALL_BASE)
/*
* With EABI, the syscall number has to be loaded into r7.
@ -46,6 +47,18 @@ const unsigned long sigreturn_codes[7] = {
MOV_R7_NR_RT_SIGRETURN, SWI_SYS_RT_SIGRETURN, SWI_THUMB_RT_SIGRETURN,
};
/*
* Either we support OABI only, or we have EABI with the OABI
* compat layer enabled. In the later case we don't know if
* user space is EABI or not, and if not we must not clobber r7.
* Always using the OABI syscall solves that issue and works for
* all those cases.
*/
const unsigned long syscall_restart_code[2] = {
SWI_SYS_RESTART, /* swi __NR_restart_syscall */
0xe49df004, /* ldr pc, [sp], #4 */
};
/*
* atomically swap in the new signal mask, and wait for a signal.
*/
@ -592,10 +605,12 @@ static void do_signal(struct pt_regs *regs, int syscall)
case -ERESTARTNOHAND:
case -ERESTARTSYS:
case -ERESTARTNOINTR:
case -ERESTART_RESTARTBLOCK:
regs->ARM_r0 = regs->ARM_ORIG_r0;
regs->ARM_pc = restart_addr;
break;
case -ERESTART_RESTARTBLOCK:
regs->ARM_r0 = -EINTR;
break;
}
}
@ -611,14 +626,12 @@ static void do_signal(struct pt_regs *regs, int syscall)
* debugger has chosen to restart at a different PC.
*/
if (regs->ARM_pc == restart_addr) {
if (retval == -ERESTARTNOHAND ||
retval == -ERESTART_RESTARTBLOCK
if (retval == -ERESTARTNOHAND
|| (retval == -ERESTARTSYS
&& !(ka.sa.sa_flags & SA_RESTART))) {
regs->ARM_r0 = -EINTR;
regs->ARM_pc = continue_addr;
}
clear_thread_flag(TIF_SYSCALL_RESTARTSYS);
}
handle_signal(signr, &ka, &info, regs);
@ -632,8 +645,29 @@ static void do_signal(struct pt_regs *regs, int syscall)
* ignore the restart.
*/
if (retval == -ERESTART_RESTARTBLOCK
&& regs->ARM_pc == restart_addr)
set_thread_flag(TIF_SYSCALL_RESTARTSYS);
&& regs->ARM_pc == continue_addr) {
if (thumb_mode(regs)) {
regs->ARM_r7 = __NR_restart_syscall - __NR_SYSCALL_BASE;
regs->ARM_pc -= 2;
} else {
#if defined(CONFIG_AEABI) && !defined(CONFIG_OABI_COMPAT)
regs->ARM_r7 = __NR_restart_syscall;
regs->ARM_pc -= 4;
#else
u32 __user *usp;
regs->ARM_sp -= 4;
usp = (u32 __user *)regs->ARM_sp;
if (put_user(regs->ARM_pc, usp) == 0) {
regs->ARM_pc = KERN_RESTART_CODE;
} else {
regs->ARM_sp += 4;
force_sigsegv(0, current);
}
#endif
}
}
}
restore_saved_sigmask();

2
arch/arm/kernel/signal.h
Просмотреть файл

@ -8,5 +8,7 @@
* published by the Free Software Foundation.
*/
#define KERN_SIGRETURN_CODE (CONFIG_VECTORS_BASE + 0x00000500)
#define KERN_RESTART_CODE (KERN_SIGRETURN_CODE + sizeof(sigreturn_codes))
extern const unsigned long sigreturn_codes[7];
extern const unsigned long syscall_restart_code[2];

2
arch/arm/kernel/traps.c
Просмотреть файл

@ -820,6 +820,8 @@ void __init early_trap_init(void *vectors_base)
*/
memcpy((void *)(vectors + KERN_SIGRETURN_CODE - CONFIG_VECTORS_BASE),
sigreturn_codes, sizeof(sigreturn_codes));
memcpy((void *)(vectors + KERN_RESTART_CODE - CONFIG_VECTORS_BASE),
syscall_restart_code, sizeof(syscall_restart_code));
flush_icache_range(vectors, vectors + PAGE_SIZE);
modify_domain(DOMAIN_USER, DOMAIN_CLIENT);

2
arch/arm/kernel/vmlinux.lds.S
Просмотреть файл

@ -183,7 +183,9 @@ SECTIONS
}
#endif
#ifdef CONFIG_SMP
PERCPU_SECTION(L1_CACHE_BYTES)
#endif
#ifdef CONFIG_XIP_KERNEL
__data_loc = ALIGN(4); /* location in binary */

1
arch/arm/mach-dove/include/mach/bridge-regs.h
Просмотреть файл

@ -50,5 +50,6 @@
#define POWER_MANAGEMENT (BRIDGE_VIRT_BASE | 0x011c)
#define TIMER_VIRT_BASE (BRIDGE_VIRT_BASE | 0x0300)
#define TIMER_PHYS_BASE (BRIDGE_PHYS_BASE | 0x0300)
#endif

1
arch/arm/mach-dove/include/mach/dove.h
Просмотреть файл

@ -78,6 +78,7 @@
/* North-South Bridge */
#define BRIDGE_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0x20000)
#define BRIDGE_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0x20000)
/* Cryptographic Engine */
#define DOVE_CRYPT_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0x30000)

8
arch/arm/mach-exynos/Kconfig
Просмотреть файл

@ -212,7 +212,7 @@ config MACH_SMDKV310
select EXYNOS_DEV_SYSMMU
select EXYNOS4_DEV_AHCI
select SAMSUNG_DEV_KEYPAD
select EXYNOS4_DEV_DMA
select EXYNOS_DEV_DMA
select SAMSUNG_DEV_PWM
select EXYNOS4_DEV_USB_OHCI
select EXYNOS4_SETUP_FIMD0
@ -264,7 +264,7 @@ config MACH_UNIVERSAL_C210
select S5P_DEV_ONENAND
select S5P_DEV_TV
select EXYNOS_DEV_SYSMMU
select EXYNOS4_DEV_DMA
select EXYNOS_DEV_DMA
select EXYNOS_DEV_DRM
select EXYNOS4_SETUP_FIMD0
select EXYNOS4_SETUP_I2C1
@ -303,7 +303,7 @@ config MACH_NURI
select S5P_DEV_MFC
select S5P_DEV_USB_EHCI
select S5P_SETUP_MIPIPHY
select EXYNOS4_DEV_DMA
select EXYNOS_DEV_DMA
select EXYNOS_DEV_DRM
select EXYNOS4_SETUP_FIMC
select EXYNOS4_SETUP_FIMD0
@ -341,7 +341,7 @@ config MACH_ORIGEN
select SAMSUNG_DEV_PWM
select EXYNOS_DEV_DRM
select EXYNOS_DEV_SYSMMU
select EXYNOS4_DEV_DMA
select EXYNOS_DEV_DMA
select EXYNOS4_DEV_USB_OHCI
select EXYNOS4_SETUP_FIMD0
select EXYNOS4_SETUP_SDHCI

13
arch/arm/mach-exynos/pm_domains.c
Просмотреть файл

@ -119,7 +119,9 @@ static __init void exynos_pm_add_dev_to_genpd(struct platform_device *pdev,
struct exynos_pm_domain *pd)
{
if (pdev->dev.bus) {
if (pm_genpd_add_device(&pd->pd, &pdev->dev))
if (!pm_genpd_add_device(&pd->pd, &pdev->dev))
pm_genpd_dev_need_restore(&pdev->dev, true);
else
pr_info("%s: error in adding %s device to %s power"
"domain\n", __func__, dev_name(&pdev->dev),
pd->name);
@ -151,9 +153,12 @@ static __init int exynos4_pm_init_power_domain(void)
if (of_have_populated_dt())
return exynos_pm_dt_parse_domains();
for (idx = 0; idx < ARRAY_SIZE(exynos4_pm_domains); idx++)
pm_genpd_init(&exynos4_pm_domains[idx]->pd, NULL,
exynos4_pm_domains[idx]->is_off);
for (idx = 0; idx < ARRAY_SIZE(exynos4_pm_domains); idx++) {
struct exynos_pm_domain *pd = exynos4_pm_domains[idx];
int on = __raw_readl(pd->base + 0x4) & S5P_INT_LOCAL_PWR_EN;
pm_genpd_init(&pd->pd, NULL, !on);
}
#ifdef CONFIG_S5P_DEV_FIMD0
exynos_pm_add_dev_to_genpd(&s5p_device_fimd0, &exynos4_pd_lcd0);

6
arch/arm/mach-highbank/Makefile
Просмотреть файл

@ -1,4 +1,8 @@
obj-y := clock.o highbank.o system.o
obj-y := clock.o highbank.o system.o smc.o
plus_sec := $(call as-instr,.arch_extension sec,+sec)
AFLAGS_smc.o :=-Wa,-march=armv7-a$(plus_sec)
obj-$(CONFIG_DEBUG_HIGHBANK_UART) += lluart.o
obj-$(CONFIG_SMP) += platsmp.o
obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o

1
arch/arm/mach-highbank/core.h
Просмотреть файл

@ -8,3 +8,4 @@ extern void highbank_lluart_map_io(void);
static inline void highbank_lluart_map_io(void) {}
#endif
extern void highbank_smc1(int fn, int arg);

14
arch/arm/mach-highbank/highbank.c
Просмотреть файл

@ -85,10 +85,24 @@ const static struct of_device_id irq_match[] = {
{}
};
#ifdef CONFIG_CACHE_L2X0
static void highbank_l2x0_disable(void)
{
/* Disable PL310 L2 Cache controller */
highbank_smc1(0x102, 0x0);
}
#endif
static void __init highbank_init_irq(void)
{
of_irq_init(irq_match);
#ifdef CONFIG_CACHE_L2X0
/* Enable PL310 L2 Cache controller */
highbank_smc1(0x102, 0x1);
l2x0_of_init(0, ~0UL);
outer_cache.disable = highbank_l2x0_disable;
#endif
}
static void __init highbank_timer_init(void)

27
arch/arm/mach-highbank/smc.S Normal file
Просмотреть файл

@ -0,0 +1,27 @@
/*
* Copied from omap44xx-smc.S Copyright (C) 2010 Texas Instruments, Inc.
* Copyright 2012 Calxeda, Inc.
*
* This program is free software,you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/linkage.h>
/*
* This is common routine to manage secure monitor API
* used to modify the PL310 secure registers.
* 'r0' contains the value to be modified and 'r12' contains
* the monitor API number.
* Function signature : void highbank_smc1(u32 fn, u32 arg)
*/
ENTRY(highbank_smc1)
stmfd sp!, {r4-r11, lr}
mov r12, r0
mov r0, r1
dsb
smc #0
ldmfd sp!, {r4-r11, pc}
ENDPROC(highbank_smc1)

1
arch/arm/mach-imx/Kconfig
Просмотреть файл

@ -477,6 +477,7 @@ config MACH_MX31_3DS
select IMX_HAVE_PLATFORM_IMX2_WDT
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_KEYPAD
select IMX_HAVE_PLATFORM_IMX_SSI
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_IPU_CORE
select IMX_HAVE_PLATFORM_MXC_EHCI

3
arch/arm/mach-imx/clk-imx1.c
Просмотреть файл

@ -108,8 +108,7 @@ int __init mx1_clocks_init(unsigned long fref)
clk_register_clkdev(clk[clk32], NULL, "mxc_rtc.0");
clk_register_clkdev(clk[clko], "clko", NULL);
mxc_timer_init(NULL, MX1_IO_ADDRESS(MX1_TIM1_BASE_ADDR),
MX1_TIM1_INT);
mxc_timer_init(MX1_IO_ADDRESS(MX1_TIM1_BASE_ADDR), MX1_TIM1_INT);
return 0;
}

4
arch/arm/mach-imx/clk-imx21.c
Просмотреть файл

@ -180,7 +180,7 @@ int __init mx21_clocks_init(unsigned long lref, unsigned long href)
clk_register_clkdev(clk[sdhc1_ipg_gate], "sdhc1", NULL);
clk_register_clkdev(clk[sdhc2_ipg_gate], "sdhc2", NULL);
mxc_timer_init(NULL, MX21_IO_ADDRESS(MX21_GPT1_BASE_ADDR),
MX21_INT_GPT1);
mxc_timer_init(MX21_IO_ADDRESS(MX21_GPT1_BASE_ADDR), MX21_INT_GPT1);
return 0;
}

2
arch/arm/mach-imx/clk-imx25.c
Просмотреть файл

@ -243,6 +243,6 @@ int __init mx25_clocks_init(void)
clk_register_clkdev(clk[sdma_ahb], "ahb", "imx35-sdma");
clk_register_clkdev(clk[iim_ipg], "iim", NULL);
mxc_timer_init(NULL, MX25_IO_ADDRESS(MX25_GPT1_BASE_ADDR), 54);
mxc_timer_init(MX25_IO_ADDRESS(MX25_GPT1_BASE_ADDR), 54);
return 0;
}

3
arch/arm/mach-imx/clk-imx27.c
Просмотреть файл

@ -263,8 +263,7 @@ int __init mx27_clocks_init(unsigned long fref)
clk_register_clkdev(clk[ssi1_baud_gate], "bitrate" , "imx-ssi.0");
clk_register_clkdev(clk[ssi2_baud_gate], "bitrate" , "imx-ssi.1");
mxc_timer_init(NULL, MX27_IO_ADDRESS(MX27_GPT1_BASE_ADDR),
MX27_INT_GPT1);
mxc_timer_init(MX27_IO_ADDRESS(MX27_GPT1_BASE_ADDR), MX27_INT_GPT1);
clk_prepare_enable(clk[emi_ahb_gate]);

3
arch/arm/mach-imx/clk-imx31.c
Просмотреть файл

@ -175,8 +175,7 @@ int __init mx31_clocks_init(unsigned long fref)
mx31_revision();
clk_disable_unprepare(clk[iim_gate]);
mxc_timer_init(NULL, MX31_IO_ADDRESS(MX31_GPT1_BASE_ADDR),
MX31_INT_GPT);
mxc_timer_init(MX31_IO_ADDRESS(MX31_GPT1_BASE_ADDR), MX31_INT_GPT);
return 0;
}

15
arch/arm/mach-imx/clk-imx35.c
Просмотреть файл

@ -201,7 +201,6 @@ int __init mx35_clocks_init()
pr_err("i.MX35 clk %d: register failed with %ld\n",
i, PTR_ERR(clk[i]));
clk_register_clkdev(clk[pata_gate], NULL, "pata_imx");
clk_register_clkdev(clk[can1_gate], NULL, "flexcan.0");
clk_register_clkdev(clk[can2_gate], NULL, "flexcan.1");
@ -264,14 +263,20 @@ int __init mx35_clocks_init()
clk_prepare_enable(clk[iim_gate]);
clk_prepare_enable(clk[emi_gate]);
/*
* SCC is needed to boot via mmc after a watchdog reset. The clock code
* before conversion to common clk also enabled UART1 (which isn't
* handled here and not needed for mmc) and IIM (which is enabled
* unconditionally above).
*/
clk_prepare_enable(clk[scc_gate]);
imx_print_silicon_rev("i.MX35", mx35_revision());
#ifdef CONFIG_MXC_USE_EPIT
epit_timer_init(&epit1_clk,
MX35_IO_ADDRESS(MX35_EPIT1_BASE_ADDR), MX35_INT_EPIT1);
epit_timer_init(MX35_IO_ADDRESS(MX35_EPIT1_BASE_ADDR), MX35_INT_EPIT1);
#else
mxc_timer_init(NULL, MX35_IO_ADDRESS(MX35_GPT1_BASE_ADDR),
MX35_INT_GPT);
mxc_timer_init(MX35_IO_ADDRESS(MX35_GPT1_BASE_ADDR), MX35_INT_GPT);
#endif
return 0;

12
arch/arm/mach-imx/clk-imx51-imx53.c
Просмотреть файл

@ -104,12 +104,12 @@ static void __init mx5_clocks_common_init(unsigned long rate_ckil,
periph_apm_sel, ARRAY_SIZE(periph_apm_sel));
clk[main_bus] = imx_clk_mux("main_bus", MXC_CCM_CBCDR, 25, 1,
main_bus_sel, ARRAY_SIZE(main_bus_sel));
clk[per_lp_apm] = imx_clk_mux("per_lp_apm", MXC_CCM_CBCDR, 1, 1,
clk[per_lp_apm] = imx_clk_mux("per_lp_apm", MXC_CCM_CBCMR, 1, 1,
per_lp_apm_sel, ARRAY_SIZE(per_lp_apm_sel));
clk[per_pred1] = imx_clk_divider("per_pred1", "per_lp_apm", MXC_CCM_CBCDR, 6, 2);
clk[per_pred2] = imx_clk_divider("per_pred2", "per_pred1", MXC_CCM_CBCDR, 3, 3);
clk[per_podf] = imx_clk_divider("per_podf", "per_pred2", MXC_CCM_CBCDR, 0, 3);
clk[per_root] = imx_clk_mux("per_root", MXC_CCM_CBCDR, 1, 0,
clk[per_root] = imx_clk_mux("per_root", MXC_CCM_CBCMR, 0, 1,
per_root_sel, ARRAY_SIZE(per_root_sel));
clk[ahb] = imx_clk_divider("ahb", "main_bus", MXC_CCM_CBCDR, 10, 3);
clk[ahb_max] = imx_clk_gate2("ahb_max", "ahb", MXC_CCM_CCGR0, 28);
@ -172,7 +172,7 @@ static void __init mx5_clocks_common_init(unsigned long rate_ckil,
clk[pwm1_hf_gate] = imx_clk_gate2("pwm1_hf_gate", "ipg", MXC_CCM_CCGR2, 12);
clk[pwm2_ipg_gate] = imx_clk_gate2("pwm2_ipg_gate", "ipg", MXC_CCM_CCGR2, 14);
clk[pwm2_hf_gate] = imx_clk_gate2("pwm2_hf_gate", "ipg", MXC_CCM_CCGR2, 16);
clk[gpt_gate] = imx_clk_gate2("gpt_gate", "ipg", MXC_CCM_CCGR2, 18);
clk[gpt_gate] = imx_clk_gate2("gpt_gate", "per_root", MXC_CCM_CCGR2, 18);
clk[fec_gate] = imx_clk_gate2("fec_gate", "ipg", MXC_CCM_CCGR2, 24);
clk[usboh3_gate] = imx_clk_gate2("usboh3_gate", "ipg", MXC_CCM_CCGR2, 26);
clk[usboh3_per_gate] = imx_clk_gate2("usboh3_per_gate", "usboh3_podf", MXC_CCM_CCGR2, 28);
@ -366,8 +366,7 @@ int __init mx51_clocks_init(unsigned long rate_ckil, unsigned long rate_osc,
clk_set_rate(clk[esdhc_b_podf], 166250000);
/* System timer */
mxc_timer_init(NULL, MX51_IO_ADDRESS(MX51_GPT1_BASE_ADDR),
MX51_INT_GPT);
mxc_timer_init(MX51_IO_ADDRESS(MX51_GPT1_BASE_ADDR), MX51_INT_GPT);
clk_prepare_enable(clk[iim_gate]);
imx_print_silicon_rev("i.MX51", mx51_revision());
@ -452,8 +451,7 @@ int __init mx53_clocks_init(unsigned long rate_ckil, unsigned long rate_osc,
clk_set_rate(clk[esdhc_b_podf], 200000000);
/* System timer */
mxc_timer_init(NULL, MX53_IO_ADDRESS(MX53_GPT1_BASE_ADDR),
MX53_INT_GPT);
mxc_timer_init(MX53_IO_ADDRESS(MX53_GPT1_BASE_ADDR), MX53_INT_GPT);
clk_prepare_enable(clk[iim_gate]);
imx_print_silicon_rev("i.MX53", mx53_revision());

26
arch/arm/mach-imx/clk-imx6q.c
Просмотреть файл

@ -122,10 +122,6 @@ static const char *cko1_sels[] = { "pll3_usb_otg", "pll2_bus", "pll1_sys", "pll5
"dummy", "axi", "enfc", "ipu1_di0", "ipu1_di1", "ipu2_di0",
"ipu2_di1", "ahb", "ipg", "ipg_per", "ckil", "pll4_audio", };
static const char * const clks_init_on[] __initconst = {
"mmdc_ch0_axi", "mmdc_ch1_axi", "usboh3",
};
enum mx6q_clks {
dummy, ckil, ckih, osc, pll2_pfd0_352m, pll2_pfd1_594m, pll2_pfd2_396m,
pll3_pfd0_720m, pll3_pfd1_540m, pll3_pfd2_508m, pll3_pfd3_454m,
@ -156,16 +152,20 @@ enum mx6q_clks {
ssi2, ssi3, uart_ipg, uart_serial, usboh3, usdhc1, usdhc2, usdhc3,
usdhc4, vdo_axi, vpu_axi, cko1, pll1_sys, pll2_bus, pll3_usb_otg,
pll4_audio, pll5_video, pll6_mlb, pll7_usb_host, pll8_enet, ssi1_ipg,
ssi2_ipg, ssi3_ipg, clk_max
ssi2_ipg, ssi3_ipg, rom,
clk_max
};
static struct clk *clk[clk_max];
static enum mx6q_clks const clks_init_on[] __initconst = {
mmdc_ch0_axi, rom,
};
int __init mx6q_clocks_init(void)
{
struct device_node *np;
void __iomem *base;
struct clk *c;
int i, irq;
clk[dummy] = imx_clk_fixed("dummy", 0);
@ -365,6 +365,7 @@ int __init mx6q_clocks_init(void)
clk[gpmi_bch] = imx_clk_gate2("gpmi_bch", "usdhc4", base + 0x78, 26);
clk[gpmi_io] = imx_clk_gate2("gpmi_io", "enfc", base + 0x78, 28);
clk[gpmi_apb] = imx_clk_gate2("gpmi_apb", "usdhc3", base + 0x78, 30);
clk[rom] = imx_clk_gate2("rom", "ahb", base + 0x7c, 0);
clk[sata] = imx_clk_gate2("sata", "ipg", base + 0x7c, 4);
clk[sdma] = imx_clk_gate2("sdma", "ahb", base + 0x7c, 6);
clk[spba] = imx_clk_gate2("spba", "ipg", base + 0x7c, 12);
@ -424,21 +425,14 @@ int __init mx6q_clocks_init(void)
clk_register_clkdev(clk[ahb], "ahb", NULL);
clk_register_clkdev(clk[cko1], "cko1", NULL);
for (i = 0; i < ARRAY_SIZE(clks_init_on); i++) {
c = clk_get_sys(clks_init_on[i], NULL);
if (IS_ERR(c)) {
pr_err("%s: failed to get clk %s", __func__,
clks_init_on[i]);
return PTR_ERR(c);
}
clk_prepare_enable(c);
}
for (i = 0; i < ARRAY_SIZE(clks_init_on); i++)
clk_prepare_enable(clk[clks_init_on[i]]);
np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpt");
base = of_iomap(np, 0);
WARN_ON(!base);
irq = irq_of_parse_and_map(np, 0);
mxc_timer_init(NULL, base, irq);
mxc_timer_init(base, irq);
return 0;
}

95
arch/arm/mach-imx/clk-pllv2.c
Просмотреть файл

@ -74,30 +74,15 @@ struct clk_pllv2 {
void __iomem *base;
};
static unsigned long clk_pllv2_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
static unsigned long __clk_pllv2_recalc_rate(unsigned long parent_rate,
u32 dp_ctl, u32 dp_op, u32 dp_mfd, u32 dp_mfn)
{
long mfi, mfn, mfd, pdf, ref_clk, mfn_abs;
unsigned long dp_op, dp_mfd, dp_mfn, dp_ctl, pll_hfsm, dbl;
void __iomem *pllbase;
unsigned long dbl;
s64 temp;
struct clk_pllv2 *pll = to_clk_pllv2(hw);
pllbase = pll->base;
dp_ctl = __raw_readl(pllbase + MXC_PLL_DP_CTL);
pll_hfsm = dp_ctl & MXC_PLL_DP_CTL_HFSM;
dbl = dp_ctl & MXC_PLL_DP_CTL_DPDCK0_2_EN;
if (pll_hfsm == 0) {
dp_op = __raw_readl(pllbase + MXC_PLL_DP_OP);
dp_mfd = __raw_readl(pllbase + MXC_PLL_DP_MFD);
dp_mfn = __raw_readl(pllbase + MXC_PLL_DP_MFN);
} else {
dp_op = __raw_readl(pllbase + MXC_PLL_DP_HFS_OP);
dp_mfd = __raw_readl(pllbase + MXC_PLL_DP_HFS_MFD);
dp_mfn = __raw_readl(pllbase + MXC_PLL_DP_HFS_MFN);
}
pdf = dp_op & MXC_PLL_DP_OP_PDF_MASK;
mfi = (dp_op & MXC_PLL_DP_OP_MFI_MASK) >> MXC_PLL_DP_OP_MFI_OFFSET;
mfi = (mfi <= 5) ? 5 : mfi;
@ -123,18 +108,30 @@ static unsigned long clk_pllv2_recalc_rate(struct clk_hw *hw,
return temp;
}
static int clk_pllv2_set_rate(struct clk_hw *hw, unsigned long rate,
static unsigned long clk_pllv2_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
struct clk_pllv2 *pll = to_clk_pllv2(hw);
u32 reg;
u32 dp_op, dp_mfd, dp_mfn, dp_ctl;
void __iomem *pllbase;
struct clk_pllv2 *pll = to_clk_pllv2(hw);
pllbase = pll->base;
dp_ctl = __raw_readl(pllbase + MXC_PLL_DP_CTL);
dp_op = __raw_readl(pllbase + MXC_PLL_DP_OP);
dp_mfd = __raw_readl(pllbase + MXC_PLL_DP_MFD);
dp_mfn = __raw_readl(pllbase + MXC_PLL_DP_MFN);
return __clk_pllv2_recalc_rate(parent_rate, dp_ctl, dp_op, dp_mfd, dp_mfn);
}
static int __clk_pllv2_set_rate(unsigned long rate, unsigned long parent_rate,
u32 *dp_op, u32 *dp_mfd, u32 *dp_mfn)
{
u32 reg;
long mfi, pdf, mfn, mfd = 999999;
s64 temp64;
unsigned long quad_parent_rate;
unsigned long pll_hfsm, dp_ctl;
pllbase = pll->base;
quad_parent_rate = 4 * parent_rate;
pdf = mfi = -1;
@ -144,25 +141,41 @@ static int clk_pllv2_set_rate(struct clk_hw *hw, unsigned long rate,
return -EINVAL;
pdf--;
temp64 = rate * (pdf+1) - quad_parent_rate * mfi;
do_div(temp64, quad_parent_rate/1000000);
temp64 = rate * (pdf + 1) - quad_parent_rate * mfi;
do_div(temp64, quad_parent_rate / 1000000);
mfn = (long)temp64;
reg = mfi << 4 | pdf;
*dp_op = reg;
*dp_mfd = mfd;
*dp_mfn = mfn;
return 0;
}
static int clk_pllv2_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
struct clk_pllv2 *pll = to_clk_pllv2(hw);
void __iomem *pllbase;
u32 dp_ctl, dp_op, dp_mfd, dp_mfn;
int ret;
pllbase = pll->base;
ret = __clk_pllv2_set_rate(rate, parent_rate, &dp_op, &dp_mfd, &dp_mfn);
if (ret)
return ret;
dp_ctl = __raw_readl(pllbase + MXC_PLL_DP_CTL);
/* use dpdck0_2 */
__raw_writel(dp_ctl | 0x1000L, pllbase + MXC_PLL_DP_CTL);
pll_hfsm = dp_ctl & MXC_PLL_DP_CTL_HFSM;
if (pll_hfsm == 0) {
reg = mfi << 4 | pdf;
__raw_writel(reg, pllbase + MXC_PLL_DP_OP);
__raw_writel(mfd, pllbase + MXC_PLL_DP_MFD);
__raw_writel(mfn, pllbase + MXC_PLL_DP_MFN);
} else {
reg = mfi << 4 | pdf;
__raw_writel(reg, pllbase + MXC_PLL_DP_HFS_OP);
__raw_writel(mfd, pllbase + MXC_PLL_DP_HFS_MFD);
__raw_writel(mfn, pllbase + MXC_PLL_DP_HFS_MFN);
}
__raw_writel(dp_op, pllbase + MXC_PLL_DP_OP);
__raw_writel(dp_mfd, pllbase + MXC_PLL_DP_MFD);
__raw_writel(dp_mfn, pllbase + MXC_PLL_DP_MFN);
return 0;
}
@ -170,7 +183,11 @@ static int clk_pllv2_set_rate(struct clk_hw *hw, unsigned long rate,
static long clk_pllv2_round_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *prate)
{
return rate;
u32 dp_op, dp_mfd, dp_mfn;
__clk_pllv2_set_rate(rate, *prate, &dp_op, &dp_mfd, &dp_mfn);
return __clk_pllv2_recalc_rate(*prate, MXC_PLL_DP_CTL_DPDCK0_2_EN,
dp_op, dp_mfd, dp_mfn);
}
static int clk_pllv2_prepare(struct clk_hw *hw)

2
arch/arm/mach-imx/crm-regs-imx5.h
Просмотреть файл

@ -23,7 +23,7 @@
#define MX53_DPLL1_BASE MX53_IO_ADDRESS(MX53_PLL1_BASE_ADDR)
#define MX53_DPLL2_BASE MX53_IO_ADDRESS(MX53_PLL2_BASE_ADDR)
#define MX53_DPLL3_BASE MX53_IO_ADDRESS(MX53_PLL3_BASE_ADDR)
#define MX53_DPLL4_BASE MX53_IO_ADDRESS(MX53_PLL3_BASE_ADDR)
#define MX53_DPLL4_BASE MX53_IO_ADDRESS(MX53_PLL4_BASE_ADDR)
/* PLL Register Offsets */
#define MXC_PLL_DP_CTL 0x00

42
arch/arm/mach-imx/hotplug.c
Просмотреть файл

@ -12,6 +12,7 @@
#include <linux/errno.h>
#include <asm/cacheflush.h>
#include <asm/cp15.h>
#include <mach/common.h>
int platform_cpu_kill(unsigned int cpu)
@ -19,6 +20,44 @@ int platform_cpu_kill(unsigned int cpu)
return 1;
}
static inline void cpu_enter_lowpower(void)
{
unsigned int v;
flush_cache_all();
asm volatile(
"mcr p15, 0, %1, c7, c5, 0\n"
" mcr p15, 0, %1, c7, c10, 4\n"
/*
* Turn off coherency
*/
" mrc p15, 0, %0, c1, c0, 1\n"
" bic %0, %0, %3\n"
" mcr p15, 0, %0, c1, c0, 1\n"
" mrc p15, 0, %0, c1, c0, 0\n"
" bic %0, %0, %2\n"
" mcr p15, 0, %0, c1, c0, 0\n"
: "=&r" (v)
: "r" (0), "Ir" (CR_C), "Ir" (0x40)
: "cc");
}
static inline void cpu_leave_lowpower(void)
{
unsigned int v;
asm volatile(
"mrc p15, 0, %0, c1, c0, 0\n"
" orr %0, %0, %1\n"
" mcr p15, 0, %0, c1, c0, 0\n"
" mrc p15, 0, %0, c1, c0, 1\n"
" orr %0, %0, %2\n"
" mcr p15, 0, %0, c1, c0, 1\n"
: "=&r" (v)
: "Ir" (CR_C), "Ir" (0x40)
: "cc");
}
/*
* platform-specific code to shutdown a CPU
*
@ -26,9 +65,10 @@ int platform_cpu_kill(unsigned int cpu)
*/
void platform_cpu_die(unsigned int cpu)
{
flush_cache_all();
cpu_enter_lowpower();
imx_enable_cpu(cpu, false);
cpu_do_idle();
cpu_leave_lowpower();
/* We should never return from idle */
panic("cpu %d unexpectedly exit from shutdown\n", cpu);

1
arch/arm/mach-imx/mach-cpuimx35.c
Просмотреть файл

@ -70,7 +70,6 @@ static struct i2c_board_info eukrea_cpuimx35_i2c_devices[] = {
I2C_BOARD_INFO("pcf8563", 0x51),
}, {
I2C_BOARD_INFO("tsc2007", 0x48),
.type = "tsc2007",
.platform_data = &tsc2007_info,
.irq = IMX_GPIO_TO_IRQ(TSC2007_IRQGPIO),
},

1
arch/arm/mach-imx/mach-cpuimx51sd.c
Просмотреть файл

@ -142,7 +142,6 @@ static struct i2c_board_info eukrea_cpuimx51sd_i2c_devices[] = {
I2C_BOARD_INFO("pcf8563", 0x51),
}, {
I2C_BOARD_INFO("tsc2007", 0x49),
.type = "tsc2007",
.platform_data = &tsc2007_info,
},
};

38
arch/arm/mach-imx/mach-imx27_visstrim_m10.c
Просмотреть файл

@ -38,7 +38,7 @@
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/system.h>
#include <asm/system_info.h>
#include <mach/common.h>
#include <mach/iomux-mx27.h>
@ -116,6 +116,8 @@ static const int visstrim_m10_pins[] __initconst = {
PB23_PF_USB_PWR,
PB24_PF_USB_OC,
/* CSI */
TVP5150_RSTN | GPIO_GPIO | GPIO_OUT,
TVP5150_PWDN | GPIO_GPIO | GPIO_OUT,
PB10_PF_CSI_D0,
PB11_PF_CSI_D1,
PB12_PF_CSI_D2,
@ -147,6 +149,24 @@ static struct gpio visstrim_m10_version_gpios[] = {
{ MOTHERBOARD_BIT2, GPIOF_IN, "mother-version-2" },
};
static const struct gpio visstrim_m10_gpios[] __initconst = {
{
.gpio = TVP5150_RSTN,
.flags = GPIOF_DIR_OUT | GPIOF_INIT_HIGH,
.label = "tvp5150_rstn",
},
{
.gpio = TVP5150_PWDN,
.flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
.label = "tvp5150_pwdn",
},
{
.gpio = OTG_PHY_CS_GPIO,
.flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
.label = "usbotg_cs",
},
};
/* Camera */
static int visstrim_camera_power(struct device *dev, int on)
{
@ -190,13 +210,6 @@ static void __init visstrim_camera_init(void)
struct platform_device *pdev;
int dma;
/* Initialize tvp5150 gpios */
mxc_gpio_mode(TVP5150_RSTN | GPIO_GPIO | GPIO_OUT);
mxc_gpio_mode(TVP5150_PWDN | GPIO_GPIO | GPIO_OUT);
gpio_set_value(TVP5150_RSTN, 1);
gpio_set_value(TVP5150_PWDN, 0);
ndelay(1);
gpio_set_value(TVP5150_PWDN, 1);
ndelay(1);
gpio_set_value(TVP5150_RSTN, 0);
@ -377,10 +390,6 @@ static struct i2c_board_info visstrim_m10_i2c_devices[] = {
/* USB OTG */
static int otg_phy_init(struct platform_device *pdev)
{
gpio_set_value(OTG_PHY_CS_GPIO, 0);
mdelay(10);
return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
}
@ -435,6 +444,11 @@ static void __init visstrim_m10_board_init(void)
if (ret)
pr_err("Failed to setup pins (%d)\n", ret);
ret = gpio_request_array(visstrim_m10_gpios,
ARRAY_SIZE(visstrim_m10_gpios));
if (ret)
pr_err("Failed to request gpios (%d)\n", ret);
imx27_add_imx_ssi(0, &visstrim_m10_ssi_pdata);
imx27_add_imx_uart0(&uart_pdata);

2
arch/arm/mach-imx/mach-mx21ads.c
Просмотреть файл

@ -32,7 +32,7 @@
* Memory-mapped I/O on MX21ADS base board
*/
#define MX21ADS_MMIO_BASE_ADDR 0xf5000000
#define MX21ADS_MMIO_SIZE SZ_16M
#define MX21ADS_MMIO_SIZE 0xc00000
#define MX21ADS_REG_ADDR(offset) (void __force __iomem *) \
(MX21ADS_MMIO_BASE_ADDR + (offset))

4
arch/arm/mach-imx/mm-imx3.c
Просмотреть файл

@ -86,6 +86,7 @@ static void __iomem *imx3_ioremap_caller(unsigned long phys_addr, size_t size,
void __init imx3_init_l2x0(void)
{
#ifdef CONFIG_CACHE_L2X0
void __iomem *l2x0_base;
void __iomem *clkctl_base;
@ -115,6 +116,7 @@ void __init imx3_init_l2x0(void)
}
l2x0_init(l2x0_base, 0x00030024, 0x00000000);
#endif
}
#ifdef CONFIG_SOC_IMX31
@ -179,6 +181,8 @@ void __init imx31_soc_init(void)
mxc_register_gpio("imx31-gpio", 1, MX31_GPIO2_BASE_ADDR, SZ_16K, MX31_INT_GPIO2, 0);
mxc_register_gpio("imx31-gpio", 2, MX31_GPIO3_BASE_ADDR, SZ_16K, MX31_INT_GPIO3, 0);
pinctrl_provide_dummies();
if (to_version == 1) {
strncpy(imx31_sdma_pdata.fw_name, "sdma-imx31-to1.bin",
strlen(imx31_sdma_pdata.fw_name));

2
arch/arm/mach-imx/mm-imx5.c
Просмотреть файл

@ -202,6 +202,8 @@ void __init imx51_soc_init(void)
mxc_register_gpio("imx31-gpio", 2, MX51_GPIO3_BASE_ADDR, SZ_16K, MX51_INT_GPIO3_LOW, MX51_INT_GPIO3_HIGH);
mxc_register_gpio("imx31-gpio", 3, MX51_GPIO4_BASE_ADDR, SZ_16K, MX51_INT_GPIO4_LOW, MX51_INT_GPIO4_HIGH);
pinctrl_provide_dummies();
/* i.mx51 has the i.mx35 type sdma */
imx_add_imx_sdma("imx35-sdma", MX51_SDMA_BASE_ADDR, MX51_INT_SDMA, &imx51_sdma_pdata);

3
arch/arm/mach-kirkwood/board-iconnect.c
Просмотреть файл

@ -20,9 +20,6 @@
#include <linux/mv643xx_eth.h>
#include <linux/gpio.h>
#include <linux/leds.h>
#include <linux/spi/flash.h>
#include <linux/spi/spi.h>
#include <linux/spi/orion_spi.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/gpio_keys.h>

9
arch/arm/mach-kirkwood/common.c
Просмотреть файл

@ -159,6 +159,7 @@ static struct clk __init *clk_register_gate_fn(struct device *dev,
gate_fn->gate.flags = clk_gate_flags;
gate_fn->gate.lock = lock;
gate_fn->gate.hw.init = &init;
gate_fn->fn = fn;
/* ops is the gate ops, but with our disable function */
if (clk_gate_fn_ops.disable != clk_gate_fn_disable) {
@ -193,9 +194,11 @@ static struct clk __init *kirkwood_register_gate_fn(const char *name,
bit_idx, 0, &gating_lock, fn);
}
static struct clk *ge0, *ge1;
void __init kirkwood_clk_init(void)
{
struct clk *runit, *ge0, *ge1, *sata0, *sata1, *usb0, *sdio;
struct clk *runit, *sata0, *sata1, *usb0, *sdio;
struct clk *crypto, *xor0, *xor1, *pex0, *pex1, *audio;
tclk = clk_register_fixed_rate(NULL, "tclk", NULL,
@ -257,6 +260,9 @@ void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data)
orion_ge00_init(eth_data,
GE00_PHYS_BASE, IRQ_KIRKWOOD_GE00_SUM,
IRQ_KIRKWOOD_GE00_ERR);
/* The interface forgets the MAC address assigned by u-boot if
the clock is turned off, so claim the clk now. */
clk_prepare_enable(ge0);
}
@ -268,6 +274,7 @@ void __init kirkwood_ge01_init(struct mv643xx_eth_platform_data *eth_data)
orion_ge01_init(eth_data,
GE01_PHYS_BASE, IRQ_KIRKWOOD_GE01_SUM,
IRQ_KIRKWOOD_GE01_ERR);
clk_prepare_enable(ge1);
}

1
arch/arm/mach-kirkwood/include/mach/bridge-regs.h
Просмотреть файл

@ -38,6 +38,7 @@
#define IRQ_MASK_HIGH_OFF 0x0014
#define TIMER_VIRT_BASE (BRIDGE_VIRT_BASE | 0x0300)
#define TIMER_PHYS_BASE (BRIDGE_PHYS_BASE | 0x0300)
#define L2_CONFIG_REG (BRIDGE_VIRT_BASE | 0x0128)
#define L2_WRITETHROUGH 0x00000010

1
arch/arm/mach-kirkwood/include/mach/kirkwood.h
Просмотреть файл

@ -80,6 +80,7 @@
#define UART1_VIRT_BASE (DEV_BUS_VIRT_BASE | 0x2100)
#define BRIDGE_VIRT_BASE (KIRKWOOD_REGS_VIRT_BASE | 0x20000)
#define BRIDGE_PHYS_BASE (KIRKWOOD_REGS_PHYS_BASE | 0x20000)
#define CRYPTO_PHYS_BASE (KIRKWOOD_REGS_PHYS_BASE | 0x30000)

29
arch/arm/mach-mmp/include/mach/gpio-pxa.h
Просмотреть файл

@ -1,29 +0,0 @@
#ifndef __ASM_MACH_GPIO_PXA_H
#define __ASM_MACH_GPIO_PXA_H
#include <mach/addr-map.h>
#include <mach/cputype.h>
#include <mach/irqs.h>
#define GPIO_REGS_VIRT (APB_VIRT_BASE + 0x19000)
#define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))
#define GPIO_REG(x) (*(volatile u32 *)(GPIO_REGS_VIRT + (x)))
#define gpio_to_bank(gpio) ((gpio) >> 5)
/* NOTE: these macros are defined here to make optimization of
* gpio_{get,set}_value() to work when 'gpio' is a constant.
* Usage of these macros otherwise is no longer recommended,
* use generic GPIO API whenever possible.
*/
#define GPIO_bit(gpio) (1 << ((gpio) & 0x1f))
#define GPLR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x00)
#define GPDR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x0c)
#define GPSR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x18)
#define GPCR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x24)
#include <plat/gpio-pxa.h>
#endif /* __ASM_MACH_GPIO_PXA_H */

7
arch/arm/mach-mmp/irq.c
Просмотреть файл

@ -241,6 +241,7 @@ void __init mmp2_init_icu(void)
icu_data[1].clr_mfp_irq_base = IRQ_MMP2_PMIC_BASE;
icu_data[1].clr_mfp_hwirq = IRQ_MMP2_PMIC - IRQ_MMP2_PMIC_BASE;
icu_data[1].nr_irqs = 2;
icu_data[1].cascade_irq = 4;
icu_data[1].virq_base = IRQ_MMP2_PMIC_BASE;
icu_data[1].domain = irq_domain_add_legacy(NULL, icu_data[1].nr_irqs,
icu_data[1].virq_base, 0,
@ -249,6 +250,7 @@ void __init mmp2_init_icu(void)
icu_data[2].reg_status = mmp_icu_base + 0x154;
icu_data[2].reg_mask = mmp_icu_base + 0x16c;
icu_data[2].nr_irqs = 2;
icu_data[2].cascade_irq = 5;
icu_data[2].virq_base = IRQ_MMP2_RTC_BASE;
icu_data[2].domain = irq_domain_add_legacy(NULL, icu_data[2].nr_irqs,
icu_data[2].virq_base, 0,
@ -257,6 +259,7 @@ void __init mmp2_init_icu(void)
icu_data[3].reg_status = mmp_icu_base + 0x180;
icu_data[3].reg_mask = mmp_icu_base + 0x17c;
icu_data[3].nr_irqs = 3;
icu_data[3].cascade_irq = 9;
icu_data[3].virq_base = IRQ_MMP2_KEYPAD_BASE;
icu_data[3].domain = irq_domain_add_legacy(NULL, icu_data[3].nr_irqs,
icu_data[3].virq_base, 0,
@ -265,6 +268,7 @@ void __init mmp2_init_icu(void)
icu_data[4].reg_status = mmp_icu_base + 0x158;
icu_data[4].reg_mask = mmp_icu_base + 0x170;
icu_data[4].nr_irqs = 5;
icu_data[4].cascade_irq = 17;
icu_data[4].virq_base = IRQ_MMP2_TWSI_BASE;
icu_data[4].domain = irq_domain_add_legacy(NULL, icu_data[4].nr_irqs,
icu_data[4].virq_base, 0,
@ -273,6 +277,7 @@ void __init mmp2_init_icu(void)
icu_data[5].reg_status = mmp_icu_base + 0x15c;
icu_data[5].reg_mask = mmp_icu_base + 0x174;
icu_data[5].nr_irqs = 15;
icu_data[5].cascade_irq = 35;
icu_data[5].virq_base = IRQ_MMP2_MISC_BASE;
icu_data[5].domain = irq_domain_add_legacy(NULL, icu_data[5].nr_irqs,
icu_data[5].virq_base, 0,
@ -281,6 +286,7 @@ void __init mmp2_init_icu(void)
icu_data[6].reg_status = mmp_icu_base + 0x160;
icu_data[6].reg_mask = mmp_icu_base + 0x178;
icu_data[6].nr_irqs = 2;
icu_data[6].cascade_irq = 51;
icu_data[6].virq_base = IRQ_MMP2_MIPI_HSI1_BASE;
icu_data[6].domain = irq_domain_add_legacy(NULL, icu_data[6].nr_irqs,
icu_data[6].virq_base, 0,
@ -289,6 +295,7 @@ void __init mmp2_init_icu(void)
icu_data[7].reg_status = mmp_icu_base + 0x188;
icu_data[7].reg_mask = mmp_icu_base + 0x184;
icu_data[7].nr_irqs = 2;
icu_data[7].cascade_irq = 55;
icu_data[7].virq_base = IRQ_MMP2_MIPI_HSI0_BASE;
icu_data[7].domain = irq_domain_add_legacy(NULL, icu_data[7].nr_irqs,
icu_data[7].virq_base, 0,

1
arch/arm/mach-mv78xx0/include/mach/bridge-regs.h
Просмотреть файл

@ -31,5 +31,6 @@
#define IRQ_MASK_HIGH_OFF 0x0014
#define TIMER_VIRT_BASE (BRIDGE_VIRT_BASE | 0x0300)
#define TIMER_PHYS_BASE (BRIDGE_PHYS_BASE | 0x0300)
#endif

2
arch/arm/mach-mv78xx0/include/mach/mv78xx0.h
Просмотреть файл

@ -42,6 +42,7 @@
#define MV78XX0_CORE0_REGS_PHYS_BASE 0xf1020000
#define MV78XX0_CORE1_REGS_PHYS_BASE 0xf1024000
#define MV78XX0_CORE_REGS_VIRT_BASE 0xfe400000
#define MV78XX0_CORE_REGS_PHYS_BASE 0xfe400000
#define MV78XX0_CORE_REGS_SIZE SZ_16K
#define MV78XX0_PCIE_IO_PHYS_BASE(i) (0xf0800000 + ((i) << 20))
@ -59,6 +60,7 @@
* Core-specific peripheral registers.
*/
#define BRIDGE_VIRT_BASE (MV78XX0_CORE_REGS_VIRT_BASE)
#define BRIDGE_PHYS_BASE (MV78XX0_CORE_REGS_PHYS_BASE)
/*
* Register Map

11
arch/arm/mach-mxs/mach-apx4devkit.c
Просмотреть файл

@ -205,6 +205,16 @@ static int apx4devkit_phy_fixup(struct phy_device *phy)
return 0;
}
static void __init apx4devkit_fec_phy_clk_enable(void)
{
struct clk *clk;
/* Enable fec phy clock */
clk = clk_get_sys("enet_out", NULL);
if (!IS_ERR(clk))
clk_prepare_enable(clk);
}
static void __init apx4devkit_init(void)
{
mx28_soc_init();
@ -225,6 +235,7 @@ static void __init apx4devkit_init(void)
phy_register_fixup_for_uid(PHY_ID_KS8051, MICREL_PHY_ID_MASK,
apx4devkit_phy_fixup);
apx4devkit_fec_phy_clk_enable();
mx28_add_fec(0, &mx28_fec_pdata);
mx28_add_mxs_mmc(0, &apx4devkit_mmc_pdata);

5
arch/arm/mach-omap2/board-flash.c
Просмотреть файл

@ -97,11 +97,6 @@ __init board_onenand_init(struct mtd_partition *onenand_parts,
gpmc_onenand_init(&board_onenand_data);
}
#else
void
__init board_onenand_init(struct mtd_partition *nor_parts, u8 nr_parts, u8 cs)
{
}
#endif /* CONFIG_MTD_ONENAND_OMAP2 || CONFIG_MTD_ONENAND_OMAP2_MODULE */
#if defined(CONFIG_MTD_NAND_OMAP2) || \

6
arch/arm/mach-omap2/board-n8x0.c
Просмотреть файл

@ -83,11 +83,9 @@ static struct musb_hdrc_config musb_config = {
};
static struct musb_hdrc_platform_data tusb_data = {
#if defined(CONFIG_USB_MUSB_OTG)
#ifdef CONFIG_USB_GADGET_MUSB_HDRC
.mode = MUSB_OTG,
#elif defined(CONFIG_USB_MUSB_PERIPHERAL)
.mode = MUSB_PERIPHERAL,
#else /* defined(CONFIG_USB_MUSB_HOST) */
#else
.mode = MUSB_HOST,
#endif
.set_power = tusb_set_power,

28
arch/arm/mach-omap2/board-omap3beagle.c
Просмотреть файл

@ -81,13 +81,13 @@ static u8 omap3_beagle_version;
static struct {
int mmc1_gpio_wp;
int usb_pwr_level;
int reset_gpio;
int dvi_pd_gpio;
int usr_button_gpio;
int mmc_caps;
} beagle_config = {
.mmc1_gpio_wp = -EINVAL,
.usb_pwr_level = GPIOF_OUT_INIT_LOW,
.reset_gpio = 129,
.dvi_pd_gpio = -EINVAL,
.usr_button_gpio = 4,
.mmc_caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
};
@ -126,21 +126,21 @@ static void __init omap3_beagle_init_rev(void)
printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n");
omap3_beagle_version = OMAP3BEAGLE_BOARD_AXBX;
beagle_config.mmc1_gpio_wp = 29;
beagle_config.reset_gpio = 170;
beagle_config.dvi_pd_gpio = 170;
beagle_config.usr_button_gpio = 7;
break;
case 6:
printk(KERN_INFO "OMAP3 Beagle Rev: C1/C2/C3\n");
omap3_beagle_version = OMAP3BEAGLE_BOARD_C1_3;
beagle_config.mmc1_gpio_wp = 23;
beagle_config.reset_gpio = 170;
beagle_config.dvi_pd_gpio = 170;
beagle_config.usr_button_gpio = 7;
break;
case 5:
printk(KERN_INFO "OMAP3 Beagle Rev: C4\n");
omap3_beagle_version = OMAP3BEAGLE_BOARD_C4;
beagle_config.mmc1_gpio_wp = 23;
beagle_config.reset_gpio = 170;
beagle_config.dvi_pd_gpio = 170;
beagle_config.usr_button_gpio = 7;
break;
case 0:
@ -274,11 +274,9 @@ static int beagle_twl_gpio_setup(struct device *dev,
if (r)
pr_err("%s: unable to configure nDVI_PWR_EN\n",
__func__);
r = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
"DVI_LDO_EN");
if (r)
pr_err("%s: unable to configure DVI_LDO_EN\n",
__func__);
beagle_config.dvi_pd_gpio = gpio + 2;
} else {
/*
* REVISIT: need ehci-omap hooks for external VBUS
@ -287,7 +285,7 @@ static int beagle_twl_gpio_setup(struct device *dev,
if (gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC"))
pr_err("%s: unable to configure EHCI_nOC\n", __func__);
}
dvi_panel.power_down_gpio = beagle_config.reset_gpio;
dvi_panel.power_down_gpio = beagle_config.dvi_pd_gpio;
gpio_request_one(gpio + TWL4030_GPIO_MAX, beagle_config.usb_pwr_level,
"nEN_USB_PWR");
@ -499,7 +497,7 @@ static void __init omap3_beagle_init(void)
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
omap3_beagle_init_rev();
if (beagle_config.mmc1_gpio_wp != -EINVAL)
if (gpio_is_valid(beagle_config.mmc1_gpio_wp))
omap_mux_init_gpio(beagle_config.mmc1_gpio_wp, OMAP_PIN_INPUT);
mmc[0].caps = beagle_config.mmc_caps;
omap_hsmmc_init(mmc);
@ -510,15 +508,13 @@ static void __init omap3_beagle_init(void)
platform_add_devices(omap3_beagle_devices,
ARRAY_SIZE(omap3_beagle_devices));
if (gpio_is_valid(beagle_config.dvi_pd_gpio))
omap_mux_init_gpio(beagle_config.dvi_pd_gpio, OMAP_PIN_OUTPUT);
omap_display_init(&beagle_dss_data);
omap_serial_init();
omap_sdrc_init(mt46h32m32lf6_sdrc_params,
mt46h32m32lf6_sdrc_params);
omap_mux_init_gpio(170, OMAP_PIN_INPUT);
/* REVISIT leave DVI powered down until it's needed ... */
gpio_request_one(170, GPIOF_OUT_INIT_HIGH, "DVI_nPD");
usb_musb_init(NULL);
usbhs_init(&usbhs_bdata);
omap_nand_flash_init(NAND_BUSWIDTH_16, omap3beagle_nand_partitions,

2
arch/arm/mach-omap2/board-overo.c
Просмотреть файл

@ -494,8 +494,8 @@ static void __init overo_init(void)
regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
omap_hsmmc_init(mmc);
overo_i2c_init();
omap_hsmmc_init(mmc);
omap_display_init(&overo_dss_data);
omap_serial_init();
omap_sdrc_init(mt46h32m32lf6_sdrc_params,

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